22432139842564 has 9 divisors (see below), whose sum is σ = 39256261301397. Its totient is φ = 11216065185024.

The previous prime is 22432139842561. The next prime is 22432139842601. The reversal of 22432139842564 is 46524893123422.

The square root of 22432139842564 is 4736258.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 6632468828164 + 15799671014400 = 2575358^2 + 3974880^2 .

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22432139842561) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 8288452 + ... + 10656580.

Almost surely, 2^{22432139842564} is an apocalyptic number.

22432139842564 is the 4736258-th square number.

It is an amenable number.

22432139842564 is a deficient number, since it is larger than the sum of its proper divisors (16824121458833).

22432139842564 is an frugal number, since it uses more digits than its factorization.

22432139842564 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4736262 (or 2368131 counting only the distinct ones).

The product of its digits is 19906560, while the sum is 55.

The spelling of 22432139842564 in words is "twenty-two trillion, four hundred thirty-two billion, one hundred thirty-nine million, eight hundred forty-two thousand, five hundred sixty-four".