22405853556 has 30 divisors (see below), whose sum is σ = 58573327890. Its totient is φ = 7468617744.

The previous prime is 22405853543. The next prime is 22405853597. The reversal of 22405853556 is 65535850422.

22405853556 is a `hidden beast` number, since 2 + 2 + 40 + 5 + 8 + 53 + 556 = 666.

It can be written as a sum of positive squares in only one way, i.e., 18176432400 + 4229421156 = 134820^2 + 65034^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 34576611 + ... + 34577258.

It is an arithmetic number, because the mean of its divisors is an integer number (1952444263).

Almost surely, 2^22405853556 is an apocalyptic number.

It is an amenable number.

22405853556 is an abundant number, since it is smaller than the sum of its proper divisors (36167474334).

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

22405853556 is a wasteful number, since it uses less digits than its factorization.

22405853556 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69153885 (or 69153874 counting only the distinct ones).

The product of its (nonzero) digits is 1440000, while the sum is 45.

The spelling of 22405853556 in words is "twenty-two billion, four hundred five million, eight hundred fifty-three thousand, five hundred fifty-six".