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222303020 = 225101110051
BaseRepresentation
bin11010100000000…
…01001100101100
3120111022011102012
431100001030230
5423402144040
634020420352
75336354522
oct1520011454
9514264365
10222303020
11104536605
12625476b8
1337095a64
142174a312
15147b2865
hexd40132c

222303020 has 24 divisors (see below), whose sum is σ = 471462768. Its totient is φ = 88040000.

The previous prime is 222303019. The next prime is 222303047. The reversal of 222303020 is 20303222.

It is a super-2 number, since 2×2223030202 = 98837265402240800, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 222302986 and 222303004.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 53006 + ... + 57045.

It is an arithmetic number, because the mean of its divisors is an integer number (19644282).

Almost surely, 2222303020 is an apocalyptic number.

222303020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

222303020 is an abundant number, since it is smaller than the sum of its proper divisors (249159748).

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

222303020 is a wasteful number, since it uses less digits than its factorization.

222303020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 110161 (or 110159 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 14.

The square root of 222303020 is about 14909.8296435607. The cubic root of 222303020 is about 605.7802650351.

Adding to 222303020 its reverse (20303222), we get a palindrome (242606242).

The spelling of 222303020 in words is "two hundred twenty-two million, three hundred three thousand, twenty".

Divisors: 1 2 4 5 10 20 101 202 404 505 1010 2020 110051 220102 440204 550255 1100510 2201020 11115151 22230302 44460604 55575755 111151510 222303020