22426065 has 20 divisors (see below), whose sum is σ = 40201524. Its totient is φ = 11960352.

The previous prime is 22426013. The next prime is 22426123. The reversal of 22426065 is 56062422.

It can be written as a sum of positive squares in 2 ways, for example, as 12446784 + 9979281 = 3528^2 + 3159^2 .

It is not a de Polignac number, because 22426065 - 2⁷ = 22425937 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 27282 + ... + 28091.

Almost surely, 2^22426065 is an apocalyptic number.

It is an amenable number.

22426065 is a deficient number, since it is larger than the sum of its proper divisors (17775459).

22426065 is an equidigital number, since it uses as much as digits as its factorization.

22426065 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55390 (or 55381 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 27.

The square root of 22426065 is about 4735.6166441130. The cubic root of 22426065 is about 282.0012449017.

Adding to 22426065 its reverse (56062422), we get a palindrome (78488487).

The spelling of 22426065 in words is "twenty-two million, four hundred twenty-six thousand, sixty-five".