22705550 has 48 divisors (see below), whose sum is σ = 49952160. Its totient is φ = 7512960.

The previous prime is 22705549. The next prime is 22705561. The reversal of 22705550 is 5550722.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 9032 + ... + 11268.

It is an arithmetic number, because the mean of its divisors is an integer number (1040670).

Almost surely, 2^22705550 is an apocalyptic number.

22705550 is an abundant number, since it is smaller than the sum of its proper divisors (27246610).

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

22705550 is a wasteful number, since it uses less digits than its factorization.

22705550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2285 (or 2280 counting only the distinct ones).

The product of its (nonzero) digits is 3500, while the sum is 26.

The square root of 22705550 is about 4765.0341027111. The cubic root of 22705550 is about 283.1678926515.

The spelling of 22705550 in words is "twenty-two million, seven hundred five thousand, five hundred fifty".