22134500 has 24 divisors (see below), whose sum is σ = 48342840. Its totient is φ = 8853600.

The previous prime is 22134491. The next prime is 22134529. The reversal of 22134500 is 543122.

It can be written as a sum of positive squares in 4 ways, for example, as 306916 + 21827584 = 554^2 + 4672^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21635 + ... + 22634.

It is an arithmetic number, because the mean of its divisors is an integer number (2014285).

Almost surely, 2^22134500 is an apocalyptic number.

22134500 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22134500 is an abundant number, since it is smaller than the sum of its proper divisors (26208340).

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

22134500 is a wasteful number, since it uses less digits than its factorization.

22134500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44288 (or 44276 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 17.

The square root of 22134500 is about 4704.7316607858. The cubic root of 22134500 is about 280.7737949804.

Adding to 22134500 its reverse (543122), we get a palindrome (22677622).

The spelling of 22134500 in words is "twenty-two million, one hundred thirty-four thousand, five hundred".