22791125 has 36 divisors (see below), whose sum is σ = 33638436. Its totient is φ = 15372000.

The previous prime is 22791103. The next prime is 22791133. The reversal of 22791125 is 52119722.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

It can be written as a sum of positive squares in 6 ways, for example, as 19945156 + 2845969 = 4466^2 + 1687^2 .

It is not a de Polignac number, because 22791125 - 2⁶ = 22791061 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 373595 + ... + 373655.

It is an arithmetic number, because the mean of its divisors is an integer number (934401).

Almost surely, 2^22791125 is an apocalyptic number.

22791125 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

22791125 is a deficient number, since it is larger than the sum of its proper divisors (10847311).

22791125 is an frugal number, since it uses more digits than its factorization.

22791125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 151 (or 73 counting only the distinct ones).

The product of its digits is 2520, while the sum is 29.

The square root of 22791125 is about 4774.0051319621. The cubic root of 22791125 is about 283.5231907057.

The spelling of 22791125 in words is "twenty-two million, seven hundred ninety-one thousand, one hundred twenty-five".