22478607900548 has 12 divisors (see below), whose sum is σ = 39356394651420. Its totient is φ = 11233923714432.

The previous prime is 22478607900523. The next prime is 22478607900571. The reversal of 22478607900548 is 84500970687422.

It can be written as a sum of positive squares in 2 ways, for example, as 10198965990724 + 12279641909824 = 3193582^2 + 3504232^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1345049561 + ... + 1345066272.

It is an arithmetic number, because the mean of its divisors is an integer number (3279699554285).

Almost surely, 2^{22478607900548} is an apocalyptic number.

It is an amenable number.

22478607900548 is a deficient number, since it is larger than the sum of its proper divisors (16877786750872).

22478607900548 is a wasteful number, since it uses less digits than its factorization.

22478607900548 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2690117926 (or 2690117924 counting only the distinct ones).

The product of its (nonzero) digits is 54190080, while the sum is 62.

The spelling of 22478607900548 in words is "twenty-two trillion, four hundred seventy-eight billion, six hundred seven million, nine hundred thousand, five hundred forty-eight".