22412965 has 4 divisors (see below), whose sum is σ = 26895564. Its totient is φ = 17930368.

The previous prime is 22412947. The next prime is 22412977. The reversal of 22412965 is 56921422.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 8282884 + 14130081 = 2878^2 + 3759^2 .

It is a cyclic number.

It is not a de Polignac number, because 22412965 - 2¹³ = 22404773 is a prime.

It is a Duffinian number.

It is a zygodrome in base 4.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2241292 + ... + 2241301.

It is an arithmetic number, because the mean of its divisors is an integer number (6723891).

Almost surely, 2^22412965 is an apocalyptic number.

It is an amenable number.

22412965 is a deficient number, since it is larger than the sum of its proper divisors (4482599).

22412965 is an equidigital number, since it uses as much as digits as its factorization.

22412965 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4482598.

The product of its digits is 8640, while the sum is 31.

The square root of 22412965 is about 4734.2333064605. The cubic root of 22412965 is about 281.9463246433.

The spelling of 22412965 in words is "twenty-two million, four hundred twelve thousand, nine hundred sixty-five".