22725954 has 16 divisors (see below), whose sum is σ = 50502240. Its totient is φ = 7575300.

The previous prime is 22725929. The next prime is 22725979. The reversal of 22725954 is 45952722.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (22725929) and next prime (22725979).

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 210372 + ... + 210479.

It is an arithmetic number, because the mean of its divisors is an integer number (3156390).

Almost surely, 2^22725954 is an apocalyptic number.

22725954 is an abundant number, since it is smaller than the sum of its proper divisors (27776286).

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

22725954 is a wasteful number, since it uses less digits than its factorization.

22725954 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 420862 (or 420856 counting only the distinct ones).

The product of its digits is 50400, while the sum is 36.

The square root of 22725954 is about 4767.1746349384. The cubic root of 22725954 is about 283.2526887747.

The spelling of 22725954 in words is "twenty-two million, seven hundred twenty-five thousand, nine hundred fifty-four".