22825255 has 4 divisors (see below), whose sum is σ = 27390312. Its totient is φ = 18260200.

The previous prime is 22825247. The next prime is 22825259. The reversal of 22825255 is 55252822.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 22825255 - 2³ = 22825247 is a prime.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22825259) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2282521 + ... + 2282530.

It is an arithmetic number, because the mean of its divisors is an integer number (6847578).

Almost surely, 2^22825255 is an apocalyptic number.

22825255 is a deficient number, since it is larger than the sum of its proper divisors (4565057).

22825255 is an equidigital number, since it uses as much as digits as its factorization.

22825255 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4565056.

The product of its digits is 16000, while the sum is 31.

The square root of 22825255 is about 4777.5783614714. The cubic root of 22825255 is about 283.6646466483.

The spelling of 22825255 in words is "twenty-two million, eight hundred twenty-five thousand, two hundred fifty-five".