22134864 has 20 divisors (see below), whose sum is σ = 57181856. Its totient is φ = 7378272.

The previous prime is 22134851. The next prime is 22134877. The reversal of 22134864 is 46843122.

It is an interprime number because it is at equal distance from previous prime (22134851) and next prime (22134877).

It is a Smith number, since the sum of its digits (30) coincides with the sum of the digits of its prime factors.

It is a nude number because it is divisible by every one of its digits.

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, 230524 + ... + 230619.

Almost surely, 2^22134864 is an apocalyptic number.

22134864 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

22134864 is an abundant number, since it is smaller than the sum of its proper divisors (35046992).

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

22134864 is a wasteful number, since it uses less digits than its factorization.

22134864 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 461154 (or 461148 counting only the distinct ones).

The product of its digits is 9216, while the sum is 30.

The square root of 22134864 is about 4704.7703450859. The cubic root of 22134864 is about 280.7753340725.

Adding to 22134864 its reverse (46843122), we get a palindrome (68977986).

The spelling of 22134864 in words is "twenty-two million, one hundred thirty-four thousand, eight hundred sixty-four".