22820133 has 32 divisors (see below), whose sum is σ = 36121600. Its totient is φ = 12806640.

The previous prime is 22820113. The next prime is 22820141. The reversal of 22820133 is 33102822.

It is not a de Polignac number, because 22820133 - 2⁵ = 22820101 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22820113) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 68778 + ... + 69108.

It is an arithmetic number, because the mean of its divisors is an integer number (1128800).

Almost surely, 2^22820133 is an apocalyptic number.

It is an amenable number.

22820133 is a deficient number, since it is larger than the sum of its proper divisors (13301467).

22820133 is an equidigital number, since it uses as much as digits as its factorization.

22820133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 422 (or 408 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 21.

The square root of 22820133 is about 4777.0422857664. The cubic root of 22820133 is about 283.6434268925.

Adding to 22820133 its reverse (33102822), we get a palindrome (55922955).

The spelling of 22820133 in words is "twenty-two million, eight hundred twenty thousand, one hundred thirty-three".