22123125 has 100 divisors (see below), whose sum is σ = 45360480. Its totient is φ = 10692000.

The previous prime is 22123097. The next prime is 22123133. The reversal of 22123125 is 52132122.

It is not a de Polignac number, because 22123125 - 2⁵ = 22123093 is a prime.

It is a super-3 number, since 3×22123125³ (a number of 23 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 22123098 and 22123107.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 99 ways as a sum of consecutive naturals, for example, 961864 + ... + 961886.

Almost surely, 2^22123125 is an apocalyptic number.

22123125 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

22123125 is an abundant number, since it is smaller than the sum of its proper divisors (23237355).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

22123125 is an equidigital number, since it uses as much as digits as its factorization.

22123125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74 (or 50 counting only the distinct ones).

The product of its digits is 240, while the sum is 18.

The square root of 22123125 is about 4703.5226160825. The cubic root of 22123125 is about 280.7256898478.

Adding to 22123125 its reverse (52132122), we get a palindrome (74255247).

The spelling of 22123125 in words is "twenty-two million, one hundred twenty-three thousand, one hundred twenty-five".