22574423 has 4 divisors (see below), whose sum is σ = 22846488. Its totient is φ = 22302360.

The previous prime is 22574411. The next prime is 22574437. The reversal of 22574423 is 32447522.

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 22574423 - 2¹⁶ = 22508887 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 (22574473) 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, 135908 + ... + 136073.

It is an arithmetic number, because the mean of its divisors is an integer number (5711622).

Almost surely, 2^22574423 is an apocalyptic number.

22574423 is a deficient number, since it is larger than the sum of its proper divisors (272065).

22574423 is an equidigital number, since it uses as much as digits as its factorization.

22574423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 272064.

The product of its digits is 13440, while the sum is 29.

The square root of 22574423 is about 4751.2548868694. The cubic root of 22574423 is about 282.6217315455.

The spelling of 22574423 in words is "twenty-two million, five hundred seventy-four thousand, four hundred twenty-three".