22061563531364 has 36 divisors (see below), whose sum is σ = 45647286628860. Its totient is φ = 9299956518720.

The previous prime is 22061563531327. The next prime is 22061563531409. The reversal of 22061563531364 is 46313536516022.

It can be written as a sum of positive squares in 2 ways, for example, as 8994480846400 + 13067082684964 = 2999080^2 + 3614842^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 922602779 + ... + 922626690.

It is an arithmetic number, because the mean of its divisors is an integer number (1267980184135).

Almost surely, 2^{22061563531364} is an apocalyptic number.

It is an amenable number.

22061563531364 is an abundant number, since it is smaller than the sum of its proper divisors (23585723097496).

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

22061563531364 is a wasteful number, since it uses less digits than its factorization.

22061563531364 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1845229548 (or 1845229539 counting only the distinct ones).

The product of its (nonzero) digits is 2332800, while the sum is 47.

The spelling of 22061563531364 in words is "twenty-two trillion, sixty-one billion, five hundred sixty-three million, five hundred thirty-one thousand, three hundred sixty-four".