22288255 has 8 divisors (see below), whose sum is σ = 29177424. Its totient is φ = 16209600.

The previous prime is 22288247. The next prime is 22288261. The reversal of 22288255 is 55288222.

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

It is not a de Polignac number, because 22288255 - 2³ = 22288247 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 22288255.

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, 202566 + ... + 202675.

It is an arithmetic number, because the mean of its divisors is an integer number (3647178).

Almost surely, 2^22288255 is an apocalyptic number.

22288255 is a deficient number, since it is larger than the sum of its proper divisors (6889169).

22288255 is a wasteful number, since it uses less digits than its factorization.

22288255 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 405257.

The product of its digits is 25600, while the sum is 34.

The square root of 22288255 is about 4721.0438464390. The cubic root of 22288255 is about 281.4224174073.

The spelling of 22288255 in words is "twenty-two million, two hundred eighty-eight thousand, two hundred fifty-five".