22254855 has 32 divisors (see below), whose sum is σ = 40954368. Its totient is φ = 10108800.

The previous prime is 22254851. The next prime is 22254863. The reversal of 22254855 is 55845222.

It is a happy number.

It is not a de Polignac number, because 22254855 - 2² = 22254851 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22254851) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 18420 + ... + 19590.

It is an arithmetic number, because the mean of its divisors is an integer number (1279824).

Almost surely, 2^22254855 is an apocalyptic number.

22254855 is a deficient number, since it is larger than the sum of its proper divisors (18699513).

22254855 is a wasteful number, since it uses less digits than its factorization.

22254855 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1367.

The product of its digits is 32000, while the sum is 33.

The square root of 22254855 is about 4717.5051669288. The cubic root of 22254855 is about 281.2817722131.

The spelling of 22254855 in words is "twenty-two million, two hundred fifty-four thousand, eight hundred fifty-five".