65222222256 has 60 divisors (see below), whose sum is σ = 182588757520. Its totient is φ = 21733937280.

The previous prime is 65222222249. The next prime is 65222222323.

65222222256 is nontrivially palindromic in base 10.

It is a super-2 number, since 2×65222222256² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 65222222256.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 401790 + ... + 540258.

Almost surely, 2^65222222256 is an apocalyptic number.

It is an amenable number.

65222222256 is an abundant number, since it is smaller than the sum of its proper divisors (117366535264).

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

65222222256 is a wasteful number, since it uses less digits than its factorization.

65222222256 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 141754 (or 141745 counting only the distinct ones).

The product of its digits is 115200, while the sum is 36.

The spelling of 65222222256 in words is "sixty-five billion, two hundred twenty-two million, two hundred twenty-two thousand, two hundred fifty-six".