22800402 has 24 divisors (see below), whose sum is σ = 49858380. Its totient is φ = 7529760.

The previous prime is 22800391. The next prime is 22800403. The reversal of 22800402 is 20400822.

It can be written as a sum of positive squares in 2 ways, for example, as 22268961 + 531441 = 4719^2 + 729^2 .

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (22800403) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3849 + ... + 7772.

Almost surely, 2^22800402 is an apocalyptic number.

22800402 is an abundant number, since it is smaller than the sum of its proper divisors (27057978).

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

22800402 is a wasteful number, since it uses less digits than its factorization.

22800402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11738 (or 11735 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 18.

The square root of 22800402 is about 4774.9766491576. The cubic root of 22800402 is about 283.5616543305.

The spelling of 22800402 in words is "twenty-two million, eight hundred thousand, four hundred two".