22225975 has 6 divisors (see below), whose sum is σ = 27560240. Its totient is φ = 17780760.

The previous prime is 22225967. The next prime is 22225979. The reversal of 22225975 is 57952222.

It is not a de Polignac number, because 22225975 - 2³ = 22225967 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 22225975.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22225979) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 444495 + ... + 444544.

Almost surely, 2^22225975 is an apocalyptic number.

22225975 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

22225975 is a deficient number, since it is larger than the sum of its proper divisors (5334265).

22225975 is an equidigital number, since it uses as much as digits as its factorization.

22225975 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 889049 (or 889044 counting only the distinct ones).

The product of its digits is 25200, while the sum is 34.

The square root of 22225975 is about 4714.4432332991. The cubic root of 22225975 is about 281.1600469533.

The spelling of 22225975 in words is "twenty-two million, two hundred twenty-five thousand, nine hundred seventy-five".