22500434 has 24 divisors (see below), whose sum is σ = 37482060. Its totient is φ = 10121760.

The previous prime is 22500419. The next prime is 22500437. The reversal of 22500434 is 43400522.

It can be written as a sum of positive squares in 2 ways, for example, as 21855625 + 644809 = 4675^2 + 803^2 .

It is not an unprimeable number, because it can be changed into a prime (22500437) 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, 25952 + ... + 26804.

Almost surely, 2^22500434 is an apocalyptic number.

22500434 is a deficient number, since it is larger than the sum of its proper divisors (14981626).

22500434 is a wasteful number, since it uses less digits than its factorization.

22500434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 986 (or 975 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 20.

The square root of 22500434 is about 4743.4622376488. The cubic root of 22500434 is about 282.3126238066.

Adding to 22500434 its reverse (43400522), we get a palindrome (65900956).

The spelling of 22500434 in words is "twenty-two million, five hundred thousand, four hundred thirty-four".