22572255 has 8 divisors (see below), whose sum is σ = 36115632. Its totient is φ = 12038528.

The previous prime is 22572241. The next prime is 22572259. The reversal of 22572255 is 55227522.

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 22572255 - 2⁴ = 22572239 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22572259) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 752394 + ... + 752423.

It is an arithmetic number, because the mean of its divisors is an integer number (4514454).

Almost surely, 2^22572255 is an apocalyptic number.

22572255 is a deficient number, since it is larger than the sum of its proper divisors (13543377).

22572255 is a wasteful number, since it uses less digits than its factorization.

22572255 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1504825.

The product of its digits is 14000, while the sum is 30.

The square root of 22572255 is about 4751.0267311393. The cubic root of 22572255 is about 282.6126837907.

Adding to 22572255 its reverse (55227522), we get a palindrome (77799777).

The spelling of 22572255 in words is "twenty-two million, five hundred seventy-two thousand, two hundred fifty-five".