22730455550 has 24 divisors (see below), whose sum is σ = 46122161832. Its totient is φ = 8265620000.

The previous prime is 22730455549. The next prime is 22730455567. The reversal of 22730455550 is 5555403722.

It is a congruent number.

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, 20663501 + ... + 20664600.

It is an arithmetic number, because the mean of its divisors is an integer number (1921756743).

Almost surely, 2^22730455550 is an apocalyptic number.

22730455550 is an abundant number, since it is smaller than the sum of its proper divisors (23391706282).

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

22730455550 is a wasteful number, since it uses less digits than its factorization.

22730455550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41328124 (or 41328119 counting only the distinct ones).

The product of its (nonzero) digits is 210000, while the sum is 38.

The spelling of 22730455550 in words is "twenty-two billion, seven hundred thirty million, four hundred fifty-five thousand, five hundred fifty".