22550465 has 32 divisors (see below), whose sum is σ = 32693760. Its totient is φ = 14598144.

The previous prime is 22550453. The next prime is 22550467. The reversal of 22550465 is 56405522.

It is a cyclic number.

It is not a de Polignac number, because 22550465 - 2⁶ = 22550401 is a prime.

It is not an unprimeable number, because it can be changed into a prime (22550467) 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 31 ways as a sum of consecutive naturals, for example, 87617 + ... + 87873.

It is an arithmetic number, because the mean of its divisors is an integer number (1021680).

Almost surely, 2^22550465 is an apocalyptic number.

It is an amenable number.

22550465 is a deficient number, since it is larger than the sum of its proper divisors (10143295).

22550465 is a wasteful number, since it uses less digits than its factorization.

22550465 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 401.

The product of its (nonzero) digits is 12000, while the sum is 29.

The square root of 22550465 is about 4748.7329889140. The cubic root of 22550465 is about 282.5217149883.

Adding to 22550465 its reverse (56405522), we get a palindrome (78955987).

The spelling of 22550465 in words is "twenty-two million, five hundred fifty thousand, four hundred sixty-five".