22502254 has 16 divisors (see below), whose sum is σ = 36112608. Its totient is φ = 10478592.

The previous prime is 22502239. The next prime is 22502273. The reversal of 22502254 is 45220522.

It is a happy number.

It is a congruent number.

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, 114 + ... + 6709.

It is an arithmetic number, because the mean of its divisors is an integer number (2257038).

Almost surely, 2^22502254 is an apocalyptic number.

22502254 is a deficient number, since it is larger than the sum of its proper divisors (13610354).

22502254 is a wasteful number, since it uses less digits than its factorization.

22502254 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6939.

The product of its (nonzero) digits is 1600, while the sum is 22.

The square root of 22502254 is about 4743.6540767640. The cubic root of 22502254 is about 282.3202354393.

Adding to 22502254 its reverse (45220522), we get a palindrome (67722776).

The spelling of 22502254 in words is "twenty-two million, five hundred two thousand, two hundred fifty-four".