22264254 has 64 divisors (see below), whose sum is σ = 53222400. Its totient is φ = 6873984.

The previous prime is 22264241. The next prime is 22264261. The reversal of 22264254 is 45246222.

It is a happy number.

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

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 72369 + ... + 72675.

It is an arithmetic number, because the mean of its divisors is an integer number (831600).

Almost surely, 2^22264254 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22264254, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (26611200).

22264254 is an abundant number, since it is smaller than the sum of its proper divisors (30958146).

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

22264254 is a wasteful number, since it uses less digits than its factorization.

22264254 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 414 (or 408 counting only the distinct ones).

The product of its digits is 7680, while the sum is 27.

The square root of 22264254 is about 4718.5012450989. The cubic root of 22264254 is about 281.3213650013.

The spelling of 22264254 in words is "twenty-two million, two hundred sixty-four thousand, two hundred fifty-four".