22297254 has 48 divisors (see below), whose sum is σ = 52326000. Its totient is φ = 6315456.

The previous prime is 22297243. The next prime is 22297271. The reversal of 22297254 is 45279222.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 43552 + ... + 44060.

It is an arithmetic number, because the mean of its divisors is an integer number (1090125).

Almost surely, 2^22297254 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22297254, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (26163000).

22297254 is an abundant number, since it is smaller than the sum of its proper divisors (30028746).

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

22297254 is a wasteful number, since it uses less digits than its factorization.

22297254 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 677 (or 670 counting only the distinct ones).

The product of its digits is 20160, while the sum is 33.

The square root of 22297254 is about 4721.9968233789. The cubic root of 22297254 is about 281.4602875706.

The spelling of 22297254 in words is "twenty-two million, two hundred ninety-seven thousand, two hundred fifty-four".