22971125 has 16 divisors (see below), whose sum is σ = 28913664. Its totient is φ = 18219600.

The previous prime is 22971121. The next prime is 22971149. The reversal of 22971125 is 52117922.

22971125 is nontrivially palindromic in base 2.

It is not a de Polignac number, because 22971125 - 2² = 22971121 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22971121) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15152 + ... + 16598.

It is an arithmetic number, because the mean of its divisors is an integer number (1807104).

Almost surely, 2^22971125 is an apocalyptic number.

22971125 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

22971125 is a deficient number, since it is larger than the sum of its proper divisors (5942539).

22971125 is a wasteful number, since it uses less digits than its factorization.

With its predecessor (22971124) it forms an eRAP, since the sums of their prime factors are consecutive (1588 and 1589).

22971125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1589 (or 1579 counting only the distinct ones).

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

The square root of 22971125 is about 4792.8201510176. The cubic root of 22971125 is about 284.2676384967.

The spelling of 22971125 in words is "twenty-two million, nine hundred seventy-one thousand, one hundred twenty-five".