222642775257 has 64 divisors (see below), whose sum is σ = 359760199680. Its totient is φ = 119639854656.

The previous prime is 222642775153. The next prime is 222642775283. The reversal of 222642775257 is 752577246222.

It is not a de Polignac number, because 222642775257 - 2⁷ = 222642775129 is a prime.

It is a super-2 number, since 2×222642775257² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (222642775457) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 59101588 + ... + 59105354.

It is an arithmetic number, because the mean of its divisors is an integer number (5621253120).

Almost surely, 2^222642775257 is an apocalyptic number.

It is an amenable number.

222642775257 is a deficient number, since it is larger than the sum of its proper divisors (137117424423).

222642775257 is a wasteful number, since it uses less digits than its factorization.

222642775257 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4850.

The product of its digits is 6585600, while the sum is 51.

The spelling of 222642775257 in words is "two hundred twenty-two billion, six hundred forty-two million, seven hundred seventy-five thousand, two hundred fifty-seven".