22751255215722 has 64 divisors (see below), whose sum is σ = 52256170045440. Its totient is φ = 6530900400000.

The previous prime is 22751255215697. The next prime is 22751255215727.

22751255215722 is nontrivially palindromic in base 10.

It is a super-2 number, since 2×22751255215722² (a number of 28 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (22751255215727) 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, 13953222 + ... + 15498222.

It is an arithmetic number, because the mean of its divisors is an integer number (816502656960).

Almost surely, 2^{22751255215722} is an apocalyptic number.

22751255215722 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

22751255215722 is an abundant number, since it is smaller than the sum of its proper divisors (29504914829718).

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

22751255215722 is a wasteful number, since it uses less digits than its factorization.

22751255215722 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1556779.

The product of its digits is 1960000, while the sum is 48.

The spelling of 22751255215722 in words is "twenty-two trillion, seven hundred fifty-one billion, two hundred fifty-five million, two hundred fifteen thousand, seven hundred twenty-two".