22443525993522 has 16 divisors (see below), whose sum is σ = 44887284529920. Its totient is φ = 7481136574032.

The previous prime is 22443525993481. The next prime is 22443525993569. The reversal of 22443525993522 is 22539952534422.

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, 8421858 + ... + 10761725.

It is an arithmetic number, because the mean of its divisors is an integer number (2805455283120).

Almost surely, 2^{22443525993522} is an apocalyptic number.

22443525993522 is an abundant number, since it is smaller than the sum of its proper divisors (22443758536398).

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

22443525993522 is a wasteful number, since it uses less digits than its factorization.

22443525993522 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19378577.

The product of its digits is 46656000, while the sum is 57.

The spelling of 22443525993522 in words is "twenty-two trillion, four hundred forty-three billion, five hundred twenty-five million, nine hundred ninety-three thousand, five hundred twenty-two".