22974660 has 36 divisors (see below), whose sum is σ = 69690348. Its totient is φ = 6126528.

The previous prime is 22974617. The next prime is 22974661. The reversal of 22974660 is 6647922.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 13089924 + 9884736 = 3618^2 + 3144^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (22974661) 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 11 ways as a sum of consecutive naturals, for example, 63639 + ... + 63998.

It is an arithmetic number, because the mean of its divisors is an integer number (1935843).

Almost surely, 2^22974660 is an apocalyptic number.

22974660 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22974660 is an abundant number, since it is smaller than the sum of its proper divisors (46715688).

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

22974660 is a wasteful number, since it uses less digits than its factorization.

22974660 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 127652 (or 127647 counting only the distinct ones).

The product of its (nonzero) digits is 36288, while the sum is 36.

The square root of 22974660 is about 4793.1889176205. The cubic root of 22974660 is about 284.2822196220.

The spelling of 22974660 in words is "twenty-two million, nine hundred seventy-four thousand, six hundred sixty".