22905433 has 4 divisors (see below), whose sum is σ = 23024308. Its totient is φ = 22786560.

The previous prime is 22905413. The next prime is 22905451. The reversal of 22905433 is 33450922.

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

It can be written as a sum of positive squares in 2 ways, for example, as 4173849 + 18731584 = 2043^2 + 4328^2 .

It is a cyclic number.

It is not a de Polignac number, because 22905433 - 2¹³ = 22897241 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22905413) 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, 59148 + ... + 59533.

It is an arithmetic number, because the mean of its divisors is an integer number (5756077).

Almost surely, 2^22905433 is an apocalyptic number.

It is an amenable number.

22905433 is a deficient number, since it is larger than the sum of its proper divisors (118875).

22905433 is a wasteful number, since it uses less digits than its factorization.

22905433 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 118874.

The product of its (nonzero) digits is 6480, while the sum is 28.

The square root of 22905433 is about 4785.9620767407. The cubic root of 22905433 is about 283.9964003048.

The spelling of 22905433 in words is "twenty-two million, nine hundred five thousand, four hundred thirty-three".