22534404 has 24 divisors (see below), whose sum is σ = 52714368. Its totient is φ = 7492320.

The previous prime is 22534403. The next prime is 22534409. The reversal of 22534404 is 40443522.

It is not an unprimeable number, because it can be changed into a prime (22534403) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2994 + ... + 7350.

It is an arithmetic number, because the mean of its divisors is an integer number (2196432).

Almost surely, 2^22534404 is an apocalyptic number.

It is an amenable number.

22534404 is an abundant number, since it is smaller than the sum of its proper divisors (30179964).

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

22534404 is a wasteful number, since it uses less digits than its factorization.

22534404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4795 (or 4793 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 24.

The square root of 22534404 is about 4747.0416050420. The cubic root of 22534404 is about 282.4546260695.

Adding to 22534404 its reverse (40443522), we get a palindrome (62977926).

The spelling of 22534404 in words is "twenty-two million, five hundred thirty-four thousand, four hundred four".