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3220022213 = 17489184117
BaseRepresentation
bin1011111111101101…
…1010001111000101
322022102001002001222
42333323122033011
523043311202323
61251304130125
7142536510602
oct27773321705
98272032058
103220022213
111402689391
1275a466945
133c415c0b5
1422791b6a9
1513ca559c8
hexbfeda3c5

3220022213 has 4 divisors (see below), whose sum is σ = 3220223820. Its totient is φ = 3219820608.

The previous prime is 3220022203. The next prime is 3220022219. The reversal of 3220022213 is 3122200223.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3122200223 = 25712148639.

It can be written as a sum of positive squares in 2 ways, for example, as 28111204 + 3191911009 = 5302^2 + 56497^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-3220022213 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 3220022191 and 3220022200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3220022219) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 74570 + ... + 109547.

It is an arithmetic number, because the mean of its divisors is an integer number (805055955).

Almost surely, 23220022213 is an apocalyptic number.

It is an amenable number.

3220022213 is a deficient number, since it is larger than the sum of its proper divisors (201607).

3220022213 is a wasteful number, since it uses less digits than its factorization.

3220022213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 201606.

The product of its (nonzero) digits is 288, while the sum is 17.

The square root of 3220022213 is about 56745.2395624514. The cubic root of 3220022213 is about 1476.6796475161.

Adding to 3220022213 its reverse (3122200223), we get a palindrome (6342222436).

The spelling of 3220022213 in words is "three billion, two hundred twenty million, twenty-two thousand, two hundred thirteen".

Divisors: 1 17489 184117 3220022213