22355452 has 12 divisors (see below), whose sum is σ = 44710960. Its totient is φ = 9580896.

The previous prime is 22355423. The next prime is 22355477. The reversal of 22355452 is 25455322.

22355452 is an admirable number.

It is a Harshad number since it is a multiple of its sum of digits (28), and also a Moran number because the ratio is a prime number: 798409 = 22355452 / (2 + 2 + 3 + 5 + 5 + 4 + 5 + 2).

It is a self number, because there is not a number n which added to its sum of digits gives 22355452.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 399177 + ... + 399232.

Almost surely, 2^22355452 is an apocalyptic number.

It is an amenable number.

22355452 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

22355452 is a wasteful number, since it uses less digits than its factorization.

22355452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 798420 (or 798418 counting only the distinct ones).

The product of its digits is 12000, while the sum is 28.

The square root of 22355452 is about 4728.1552427982. The cubic root of 22355452 is about 281.7049543944.

The spelling of 22355452 in words is "twenty-two million, three hundred fifty-five thousand, four hundred fifty-two".