22507124 has 12 divisors (see below), whose sum is σ = 39444804. Its totient is φ = 11237184.

The previous prime is 22507123. The next prime is 22507157. The reversal of 22507124 is 42170522.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 6666724 + 15840400 = 2582^2 + 3980^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 22507124.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22507123) 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, 689 + ... + 6744.

It is an arithmetic number, because the mean of its divisors is an integer number (3287067).

Almost surely, 2^22507124 is an apocalyptic number.

It is an amenable number.

22507124 is a deficient number, since it is larger than the sum of its proper divisors (16937680).

22507124 is a wasteful number, since it uses less digits than its factorization.

22507124 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8194 (or 8192 counting only the distinct ones).

The product of its (nonzero) digits is 1120, while the sum is 23.

The square root of 22507124 is about 4744.1673663563. The cubic root of 22507124 is about 282.3406008121.

Adding to 22507124 its reverse (42170522), we get a palindrome (64677646).

The spelling of 22507124 in words is "twenty-two million, five hundred seven thousand, one hundred twenty-four".