22061431536252 has 48 divisors (see below), whose sum is σ = 52312570918272. Its totient is φ = 7234680594240.

The previous prime is 22061431536251. The next prime is 22061431536317. The reversal of 22061431536252 is 25263513416022.

It is a super-2 number, since 2×22061431536252² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22061431536251) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17127274 + ... + 18370257.

It is an arithmetic number, because the mean of its divisors is an integer number (1089845227464).

Almost surely, 2^{22061431536252} is an apocalyptic number.

It is an amenable number.

22061431536252 is an abundant number, since it is smaller than the sum of its proper divisors (30251139382020).

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

22061431536252 is a wasteful number, since it uses less digits than its factorization.

22061431536252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35498378 (or 35498376 counting only the distinct ones).

The product of its (nonzero) digits is 518400, while the sum is 42.

The spelling of 22061431536252 in words is "twenty-two trillion, sixty-one billion, four hundred thirty-one million, five hundred thirty-six thousand, two hundred fifty-two".