22022431643252 has 24 divisors (see below), whose sum is σ = 38884298497800. Its totient is φ = 10912652061696.

The previous prime is 22022431643231. The next prime is 22022431643291. The reversal of 22022431643252 is 25234613422022.

It can be written as a sum of positive squares in 4 ways, for example, as 1209529245796 + 20812902397456 = 1099786^2 + 4562116^2 .

It is a congruent number.

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, 1921874 + ... + 6909302.

It is an arithmetic number, because the mean of its divisors is an integer number (1620179104075).

Almost surely, 2^{22022431643252} is an apocalyptic number.

It is an amenable number.

22022431643252 is a deficient number, since it is larger than the sum of its proper divisors (16861866854548).

22022431643252 is a wasteful number, since it uses less digits than its factorization.

22022431643252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4997315 (or 4997313 counting only the distinct ones).

The product of its (nonzero) digits is 276480, while the sum is 38.

The spelling of 22022431643252 in words is "twenty-two trillion, twenty-two billion, four hundred thirty-one million, six hundred forty-three thousand, two hundred fifty-two".