22572943 has 2 divisors, whose sum is σ = 22572944. Its totient is φ = 22572942.

The previous prime is 22572899. The next prime is 22572947. The reversal of 22572943 is 34927522.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 22572943 - 2¹⁷ = 22441871 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 22572899 and 22572908.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22572947) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11286471 + 11286472.

It is an arithmetic number, because the mean of its divisors is an integer number (11286472).

Almost surely, 2^22572943 is an apocalyptic number.

22572943 is a deficient number, since it is larger than the sum of its proper divisors (1).

22572943 is an equidigital number, since it uses as much as digits as its factorization.

22572943 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 30240, while the sum is 34.

The square root of 22572943 is about 4751.0991359895. The cubic root of 22572943 is about 282.6155550967.

The spelling of 22572943 in words is "twenty-two million, five hundred seventy-two thousand, nine hundred forty-three".