22725670 has 16 divisors (see below), whose sum is σ = 44625168. Its totient is φ = 8263840.

The previous prime is 22725643. The next prime is 22725671. The reversal of 22725670 is 7652722.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22725671) by changing a digit.

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, 103189 + ... + 103408.

It is an arithmetic number, because the mean of its divisors is an integer number (2789073).

Almost surely, 2^22725670 is an apocalyptic number.

22725670 is a deficient number, since it is larger than the sum of its proper divisors (21899498).

22725670 is a wasteful number, since it uses less digits than its factorization.

22725670 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 206615.

The product of its (nonzero) digits is 11760, while the sum is 31.

The square root of 22725670 is about 4767.1448478099. The cubic root of 22725670 is about 283.2515088595.

The spelling of 22725670 in words is "twenty-two million, seven hundred twenty-five thousand, six hundred seventy".