22572323 has 4 divisors (see below), whose sum is σ = 23760360. Its totient is φ = 21384288.

The previous prime is 22572317. The next prime is 22572401. The reversal of 22572323 is 32327522.

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 22572323 - 2⁴ = 22572307 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 22572292 and 22572301.

It is not an unprimeable number, because it can be changed into a prime (22572313) 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, 593990 + ... + 594027.

It is an arithmetic number, because the mean of its divisors is an integer number (5940090).

Almost surely, 2^22572323 is an apocalyptic number.

22572323 is a deficient number, since it is larger than the sum of its proper divisors (1188037).

22572323 is a wasteful number, since it uses less digits than its factorization.

22572323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1188036.

The product of its digits is 5040, while the sum is 26.

The square root of 22572323 is about 4751.0338874818. The cubic root of 22572323 is about 282.6129675852.

Adding to 22572323 its reverse (32327522), we get a palindrome (54899845).

The spelling of 22572323 in words is "twenty-two million, five hundred seventy-two thousand, three hundred twenty-three".