22816266 has 16 divisors (see below), whose sum is σ = 49781088. Its totient is φ = 6914000.

The previous prime is 22816249. The next prime is 22816289. The reversal of 22816266 is 66261822.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 172785 + ... + 172916.

It is an arithmetic number, because the mean of its divisors is an integer number (3111318).

Almost surely, 2^22816266 is an apocalyptic number.

22816266 is an abundant number, since it is smaller than the sum of its proper divisors (26964822).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

22816266 is a wasteful number, since it uses less digits than its factorization.

22816266 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 345717.

The product of its digits is 13824, while the sum is 33.

The square root of 22816266 is about 4776.6375202646. The cubic root of 22816266 is about 283.6274043290.

The spelling of 22816266 in words is "twenty-two million, eight hundred sixteen thousand, two hundred sixty-six".