22533479 has 4 divisors (see below), whose sum is σ = 22546440. Its totient is φ = 22520520.

The previous prime is 22533473. The next prime is 22533499. The reversal of 22533479 is 97433522.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 22533479 - 2⁸ = 22533223 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22533473) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3377 + ... + 7514.

It is an arithmetic number, because the mean of its divisors is an integer number (5636610).

Almost surely, 2^22533479 is an apocalyptic number.

22533479 is a deficient number, since it is larger than the sum of its proper divisors (12961).

22533479 is a wasteful number, since it uses less digits than its factorization.

22533479 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12960.

The product of its digits is 45360, while the sum is 35.

The square root of 22533479 is about 4746.9441749403. The cubic root of 22533479 is about 282.4507612515.

The spelling of 22533479 in words is "twenty-two million, five hundred thirty-three thousand, four hundred seventy-nine".