22124739 has 16 divisors (see below), whose sum is σ = 36307712. Its totient is φ = 11670048.

The previous prime is 22124737. The next prime is 22124743. The reversal of 22124739 is 93742122.

It is not a de Polignac number, because 22124739 - 2¹ = 22124737 is a prime.

It is a Smith number, since the sum of its digits (30) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (22124737) 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 15 ways as a sum of consecutive naturals, for example, 40249 + ... + 40794.

It is an arithmetic number, because the mean of its divisors is an integer number (2269232).

Almost surely, 2^22124739 is an apocalyptic number.

22124739 is a deficient number, since it is larger than the sum of its proper divisors (14182973).

22124739 is a wasteful number, since it uses less digits than its factorization.

22124739 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81066.

The product of its digits is 6048, while the sum is 30.

The square root of 22124739 is about 4703.6941864879. The cubic root of 22124739 is about 280.7325164940.

The spelling of 22124739 in words is "twenty-two million, one hundred twenty-four thousand, seven hundred thirty-nine".