22134828 has 12 divisors (see below), whose sum is σ = 51647960. Its totient is φ = 7378272.

The previous prime is 22134811. The next prime is 22134839. The reversal of 22134828 is 82843122.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-2 number, since 2×22134828² = 979901221179168, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 22134795 and 22134804.

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, 922273 + ... + 922296.

Almost surely, 2^22134828 is an apocalyptic number.

It is an amenable number.

22134828 is an abundant number, since it is smaller than the sum of its proper divisors (29513132).

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

22134828 is a wasteful number, since it uses less digits than its factorization.

22134828 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1844576 (or 1844574 counting only the distinct ones).

The product of its digits is 6144, while the sum is 30.

The square root of 22134828 is about 4704.7665191803. The cubic root of 22134828 is about 280.7751818554.

The spelling of 22134828 in words is "twenty-two million, one hundred thirty-four thousand, eight hundred twenty-eight".