22125051 has 24 divisors (see below), whose sum is σ = 34711040. Its totient is φ = 13499136.

The previous prime is 22125023. The next prime is 22125053. The reversal of 22125051 is 15052122.

It is not a de Polignac number, because 22125051 - 2⁷ = 22124923 is a prime.

It is not an unprimeable number, because it can be changed into a prime (22125053) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 14115 + ... + 15603.

Almost surely, 2^22125051 is an apocalyptic number.

22125051 is a deficient number, since it is larger than the sum of its proper divisors (12585989).

22125051 is a wasteful number, since it uses less digits than its factorization.

22125051 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1635 (or 1632 counting only the distinct ones).

The product of its (nonzero) digits is 200, while the sum is 18.

The square root of 22125051 is about 4703.7273517924. The cubic root of 22125051 is about 280.7338361048.

Adding to 22125051 its reverse (15052122), we get a palindrome (37177173).

The spelling of 22125051 in words is "twenty-two million, one hundred twenty-five thousand, fifty-one".