22749124 has 12 divisors (see below), whose sum is σ = 40102524. Its totient is φ = 11291264.

The previous prime is 22749121. The next prime is 22749149. The reversal of 22749124 is 42194722.

It can be written as a sum of positive squares in 2 ways, for example, as 15350724 + 7398400 = 3918^2 + 2720^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22749121) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20209 + ... + 21304.

It is an arithmetic number, because the mean of its divisors is an integer number (3341877).

Almost surely, 2^22749124 is an apocalyptic number.

It is an amenable number.

22749124 is a deficient number, since it is larger than the sum of its proper divisors (17353400).

22749124 is a wasteful number, since it uses less digits than its factorization.

22749124 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41654 (or 41652 counting only the distinct ones).

The product of its digits is 8064, while the sum is 31.

The square root of 22749124 is about 4769.6041764490. The cubic root of 22749124 is about 283.3489184814.

The spelling of 22749124 in words is "twenty-two million, seven hundred forty-nine thousand, one hundred twenty-four".