22825155 has 8 divisors (see below), whose sum is σ = 36520272. Its totient is φ = 12173408.

The previous prime is 22825147. The next prime is 22825157. The reversal of 22825155 is 55152822.

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 22825155 - 2³ = 22825147 is a prime.

It is not an unprimeable number, because it can be changed into a prime (22825157) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 760824 + ... + 760853.

It is an arithmetic number, because the mean of its divisors is an integer number (4565034).

Almost surely, 2^22825155 is an apocalyptic number.

22825155 is a deficient number, since it is larger than the sum of its proper divisors (13695117).

22825155 is a wasteful number, since it uses less digits than its factorization.

22825155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1521685.

The product of its digits is 8000, while the sum is 30.

The square root of 22825155 is about 4777.5678959069. The cubic root of 22825155 is about 283.6642323922.

Adding to 22825155 its reverse (55152822), we get a palindrome (77977977).

The spelling of 22825155 in words is "twenty-two million, eight hundred twenty-five thousand, one hundred fifty-five".