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5221220202 = 2331123382171
BaseRepresentation
bin1001101110011010…
…10111111101101010
3111110212122110122000
410313031113331222
541143113021302
62222032511430
7243246432222
oct46715277552
914425573560
105221220202
11223a274020
1210186ab576
13652935813
14377609082
152085a331c
hex137357f6a

5221220202 has 64 divisors (see below), whose sum is σ = 13207864320. Its totient is φ = 1513393200.

The previous prime is 5221220189. The next prime is 5221220203. The reversal of 5221220202 is 2020221225.

5221220202 is a `hidden beast` number, since 522 + 122 + 0 + 20 + 2 = 666.

It is a super-2 number, since 2×52212202022 = 54522280795545841608, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (5221220203) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 177424 + ... + 204747.

It is an arithmetic number, because the mean of its divisors is an integer number (206372880).

Almost surely, 25221220202 is an apocalyptic number.

5221220202 is an abundant number, since it is smaller than the sum of its proper divisors (7986644118).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

5221220202 is a wasteful number, since it uses less digits than its factorization.

5221220202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 382216 (or 382210 counting only the distinct ones).

The product of its (nonzero) digits is 320, while the sum is 18.

The square root of 5221220202 is about 72258.0113343842. The cubic root of 5221220202 is about 1734.8316492936.

Adding to 5221220202 its reverse (2020221225), we get a palindrome (7241441427).

The spelling of 5221220202 in words is "five billion, two hundred twenty-one million, two hundred twenty thousand, two hundred two".

Divisors: 1 2 3 6 9 11 18 22 23 27 33 46 54 66 69 99 138 198 207 253 297 414 506 594 621 759 1242 1518 2277 4554 6831 13662 382171 764342 1146513 2293026 3439539 4203881 6879078 8407762 8789933 10318617 12611643 17579866 20637234 25223286 26369799 37834929 52739598 75669858 79109397 96689263 113504787 158218794 193378526 227009574 237328191 290067789 474656382 580135578 870203367 1740406734 2610610101 5221220202