22533641 has 16 divisors (see below), whose sum is σ = 25269888. Its totient is φ = 19958400.

The previous prime is 22533631. The next prime is 22533649. The reversal of 22533641 is 14633522.

It is a cyclic number.

It is not a de Polignac number, because 22533641 - 2²² = 18339337 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 22533641.

It is not an unprimeable number, because it can be changed into a prime (22533649) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 35396 + ... + 36026.

It is an arithmetic number, because the mean of its divisors is an integer number (1579368).

Almost surely, 2^22533641 is an apocalyptic number.

It is an amenable number.

22533641 is a deficient number, since it is larger than the sum of its proper divisors (2736247).

22533641 is a wasteful number, since it uses less digits than its factorization.

22533641 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 752.

The product of its digits is 4320, while the sum is 26.

The square root of 22533641 is about 4746.9612385188. The cubic root of 22533641 is about 282.4514381246.

The spelling of 22533641 in words is "twenty-two million, five hundred thirty-three thousand, six hundred forty-one".