22537423 has 2 divisors, whose sum is σ = 22537424. Its totient is φ = 22537422.

The previous prime is 22537409. The next prime is 22537433. The reversal of 22537423 is 32473522.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 22537423 - 2²¹ = 20440271 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 22537391 and 22537400.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22537433) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11268711 + 11268712.

It is an arithmetic number, because the mean of its divisors is an integer number (11268712).

Almost surely, 2^22537423 is an apocalyptic number.

22537423 is a deficient number, since it is larger than the sum of its proper divisors (1).

22537423 is an equidigital number, since it uses as much as digits as its factorization.

22537423 is an evil number, because the sum of its binary digits is even.

The product of its digits is 10080, while the sum is 28.

The square root of 22537423 is about 4747.3595819150. The cubic root of 22537423 is about 282.4672392636.

The spelling of 22537423 in words is "twenty-two million, five hundred thirty-seven thousand, four hundred twenty-three".