22712670 has 32 divisors (see below), whose sum is σ = 60567840. Its totient is φ = 6056640.

The previous prime is 22712639. The next prime is 22712671. The reversal of 22712670 is 7621722.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22712671) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 41791 + ... + 42330.

It is an arithmetic number, because the mean of its divisors is an integer number (1892745).

Almost surely, 2^22712670 is an apocalyptic number.

22712670 is an abundant number, since it is smaller than the sum of its proper divisors (37855170).

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

22712670 is a wasteful number, since it uses less digits than its factorization.

22712670 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 84137 (or 84131 counting only the distinct ones).

The product of its (nonzero) digits is 2352, while the sum is 27.

The square root of 22712670 is about 4765.7811531794. The cubic root of 22712670 is about 283.1974881277.

The spelling of 22712670 in words is "twenty-two million, seven hundred twelve thousand, six hundred seventy".