22725118 has 16 divisors (see below), whose sum is σ = 36797040. Its totient is φ = 10463616.

The previous prime is 22725103. The next prime is 22725137. The reversal of 22725118 is 81152722.

It is a super-2 number, since 2×22725118² = 1032861976227848, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14518 + ... + 16006.

It is an arithmetic number, because the mean of its divisors is an integer number (2299815).

Almost surely, 2^22725118 is an apocalyptic number.

22725118 is a deficient number, since it is larger than the sum of its proper divisors (14071922).

22725118 is a wasteful number, since it uses less digits than its factorization.

22725118 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2091.

The product of its digits is 2240, while the sum is 28.

The square root of 22725118 is about 4767.0869511684. The cubic root of 22725118 is about 283.2492154750.

The spelling of 22725118 in words is "twenty-two million, seven hundred twenty-five thousand, one hundred eighteen".