22144125 has 16 divisors (see below), whose sum is σ = 36848448. Its totient is φ = 11810000.

The previous prime is 22144117. The next prime is 22144169. The reversal of 22144125 is 52144122.

It is not a de Polignac number, because 22144125 - 2³ = 22144117 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 29151 + ... + 29900.

It is an arithmetic number, because the mean of its divisors is an integer number (2303028).

Almost surely, 2^22144125 is an apocalyptic number.

22144125 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

22144125 is a deficient number, since it is larger than the sum of its proper divisors (14704323).

22144125 is an equidigital number, since it uses as much as digits as its factorization.

22144125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59069 (or 59059 counting only the distinct ones).

The product of its digits is 640, while the sum is 21.

The square root of 22144125 is about 4705.7544559826. The cubic root of 22144125 is about 280.8144864524.

Adding to 22144125 its reverse (52144122), we get a palindrome (74288247).

The spelling of 22144125 in words is "twenty-two million, one hundred forty-four thousand, one hundred twenty-five".