22502255 has 8 divisors (see below), whose sum is σ = 27242352. Its totient is φ = 17842048.

The previous prime is 22502239. The next prime is 22502273. The reversal of 22502255 is 55220522.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 22502255 - 2⁴ = 22502239 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 22502255.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19349 + ... + 20478.

It is an arithmetic number, because the mean of its divisors is an integer number (3405294).

Almost surely, 2^22502255 is an apocalyptic number.

22502255 is a deficient number, since it is larger than the sum of its proper divisors (4740097).

22502255 is a wasteful number, since it uses less digits than its factorization.

22502255 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39945.

The product of its (nonzero) digits is 2000, while the sum is 23.

The square root of 22502255 is about 4743.6541821680. The cubic root of 22502255 is about 282.3202396215.

Adding to 22502255 its reverse (55220522), we get a palindrome (77722777).

The spelling of 22502255 in words is "twenty-two million, five hundred two thousand, two hundred fifty-five".