22325812 has 12 divisors (see below), whose sum is σ = 40023396. Its totient is φ = 10890560.

The previous prime is 22325783. The next prime is 22325819. The reversal of 22325812 is 21852322.

It can be written as a sum of positive squares in 2 ways, for example, as 11329956 + 10995856 = 3366^2 + 3316^2 .

It is a super-3 number, since 3×22325812³ (a number of 23 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22325819) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 67903 + ... + 68230.

It is an arithmetic number, because the mean of its divisors is an integer number (3335283).

Almost surely, 2^22325812 is an apocalyptic number.

It is an amenable number.

22325812 is a deficient number, since it is larger than the sum of its proper divisors (17697584).

22325812 is a wasteful number, since it uses less digits than its factorization.

22325812 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 136178 (or 136176 counting only the distinct ones).

The product of its digits is 1920, while the sum is 25.

The square root of 22325812 is about 4725.0197883184. The cubic root of 22325812 is about 281.5803997259.

The spelling of 22325812 in words is "twenty-two million, three hundred twenty-five thousand, eight hundred twelve".