22294533 has 16 divisors (see below), whose sum is σ = 31046400. Its totient is φ = 14212800.

The previous prime is 22294501. The next prime is 22294537. The reversal of 22294533 is 33549222.

It is not a de Polignac number, because 22294533 - 2⁵ = 22294501 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 22294533.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22294537) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8308 + ... + 10658.

It is an arithmetic number, because the mean of its divisors is an integer number (1940400).

Almost surely, 2^22294533 is an apocalyptic number.

It is an amenable number.

22294533 is a deficient number, since it is larger than the sum of its proper divisors (8751867).

22294533 is a wasteful number, since it uses less digits than its factorization.

22294533 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2492.

The product of its digits is 12960, while the sum is 30.

The square root of 22294533 is about 4721.7086949536. The cubic root of 22294533 is about 281.4488379604.

Subtracting from 22294533 its sum of digits (30), we obtain a triangular number (22294503 = T₆₆₇₇).

The spelling of 22294533 in words is "twenty-two million, two hundred ninety-four thousand, five hundred thirty-three".