22574465 has 4 divisors (see below), whose sum is σ = 27089364. Its totient is φ = 18059568.

The previous prime is 22574437. The next prime is 22574467. The reversal of 22574465 is 56447522.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 56447522 = 2 ⋅28223761.

It can be written as a sum of positive squares in 2 ways, for example, as 11498881 + 11075584 = 3391^2 + 3328^2 .

It is a cyclic number.

It is not a de Polignac number, because 22574465 - 2⁶ = 22574401 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22574467) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2257442 + ... + 2257451.

It is an arithmetic number, because the mean of its divisors is an integer number (6772341).

Almost surely, 2^22574465 is an apocalyptic number.

It is an amenable number.

22574465 is a deficient number, since it is larger than the sum of its proper divisors (4514899).

22574465 is an equidigital number, since it uses as much as digits as its factorization.

22574465 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4514898.

The product of its digits is 67200, while the sum is 35.

The square root of 22574465 is about 4751.2593067523. The cubic root of 22574465 is about 282.6219068192.

The spelling of 22574465 in words is "twenty-two million, five hundred seventy-four thousand, four hundred sixty-five".