22725148 has 12 divisors (see below), whose sum is σ = 40443480. Its totient is φ = 11169872.

The previous prime is 22725137. The next prime is 22725161. The reversal of 22725148 is 84152722.

It is a happy number.

It is a congruent 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 3 ways as a sum of consecutive naturals, for example, 47911 + ... + 48382.

It is an arithmetic number, because the mean of its divisors is an integer number (3370290).

Almost surely, 2^22725148 is an apocalyptic number.

It is an amenable number.

22725148 is a deficient number, since it is larger than the sum of its proper divisors (17718332).

22725148 is a wasteful number, since it uses less digits than its factorization.

22725148 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 96356 (or 96354 counting only the distinct ones).

The product of its digits is 8960, while the sum is 31.

The square root of 22725148 is about 4767.0900977431. The cubic root of 22725148 is about 283.2493401164.

The spelling of 22725148 in words is "twenty-two million, seven hundred twenty-five thousand, one hundred forty-eight".