22416365 has 4 divisors (see below), whose sum is σ = 26899644. Its totient is φ = 17933088.

The previous prime is 22416347. The next prime is 22416397. The reversal of 22416365 is 56361422.

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 11847364 + 10569001 = 3442^2 + 3251^2 .

It is a cyclic number.

It is not a de Polignac number, because 22416365 - 2⁸ = 22416109 is a prime.

It is a Duffinian number.

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, 2241632 + ... + 2241641.

It is an arithmetic number, because the mean of its divisors is an integer number (6724911).

Almost surely, 2^22416365 is an apocalyptic number.

It is an amenable number.

22416365 is a deficient number, since it is larger than the sum of its proper divisors (4483279).

22416365 is an equidigital number, since it uses as much as digits as its factorization.

22416365 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4483278.

The product of its digits is 8640, while the sum is 29.

The square root of 22416365 is about 4734.5923794979. The cubic root of 22416365 is about 281.9605808120.

Adding to 22416365 its reverse (56361422), we get a palindrome (78777787).

The spelling of 22416365 in words is "twenty-two million, four hundred sixteen thousand, three hundred sixty-five".