22125245 has 16 divisors (see below), whose sum is σ = 28340928. Its totient is φ = 16523520.

The previous prime is 22125239. The next prime is 22125251. The reversal of 22125245 is 54252122.

It is an interprime number because it is at equal distance from previous prime (22125239) and next prime (22125251).

It is not a de Polignac number, because 22125245 - 2⁸ = 22124989 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 22125245.

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, 10142 + ... + 12128.

It is an arithmetic number, because the mean of its divisors is an integer number (1771308).

Almost surely, 2^22125245 is an apocalyptic number.

It is an amenable number.

22125245 is a deficient number, since it is larger than the sum of its proper divisors (6215683).

22125245 is a wasteful number, since it uses less digits than its factorization.

22125245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2140.

The product of its digits is 1600, while the sum is 23.

The square root of 22125245 is about 4703.7479736908. The cubic root of 22125245 is about 280.7346566258.

Adding to 22125245 its reverse (54252122), we get a palindrome (76377367).

The spelling of 22125245 in words is "twenty-two million, one hundred twenty-five thousand, two hundred forty-five".