22464225 has 72 divisors (see below), whose sum is σ = 48746880. Its totient is φ = 9653760.

The previous prime is 22464193. The next prime is 22464227. The reversal of 22464225 is 52246422.

22464225 = T₃₉₀ + T₃₉₁ + ... + T₅₇₈.

It is a happy number.

It is not a de Polignac number, because 22464225 - 2⁵ = 22464193 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (22464227) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 26356 + ... + 27194.

It is an arithmetic number, because the mean of its divisors is an integer number (677040).

Almost surely, 2^22464225 is an apocalyptic number.

22464225 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

22464225 is an abundant number, since it is smaller than the sum of its proper divisors (26282655).

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

22464225 is a wasteful number, since it uses less digits than its factorization.

22464225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 879 (or 871 counting only the distinct ones).

The product of its digits is 7680, while the sum is 27.

The square root of 22464225 is about 4739.6439739710. The cubic root of 22464225 is about 282.1611045645.

The spelling of 22464225 in words is "twenty-two million, four hundred sixty-four thousand, two hundred twenty-five".