22530255 has 16 divisors (see below), whose sum is σ = 39325824. Its totient is φ = 10923680.

The previous prime is 22530251. The next prime is 22530269. The reversal of 22530255 is 55203522.

It is not a de Polignac number, because 22530255 - 2² = 22530251 is a prime.

It is a super-2 number, since 2×22530255² = 1015224780730050, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22530251) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 68109 + ... + 68438.

It is an arithmetic number, because the mean of its divisors is an integer number (2457864).

Almost surely, 2^22530255 is an apocalyptic number.

22530255 is a deficient number, since it is larger than the sum of its proper divisors (16795569).

22530255 is a wasteful number, since it uses less digits than its factorization.

22530255 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 136566.

The product of its (nonzero) digits is 3000, while the sum is 24.

The square root of 22530255 is about 4746.6045759048. The cubic root of 22530255 is about 282.4372899675.

Adding to 22530255 its reverse (55203522), we get a palindrome (77733777).

The spelling of 22530255 in words is "twenty-two million, five hundred thirty thousand, two hundred fifty-five".