22130155 has 16 divisors (see below), whose sum is σ = 28087200. Its totient is φ = 16692480.

The previous prime is 22130149. The next prime is 22130177. The reversal of 22130155 is 55103122.

It is not a de Polignac number, because 22130155 - 2¹¹ = 22128107 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 26281 + ... + 27109.

It is an arithmetic number, because the mean of its divisors is an integer number (1755450).

Almost surely, 2^22130155 is an apocalyptic number.

22130155 is a deficient number, since it is larger than the sum of its proper divisors (5957045).

22130155 is a wasteful number, since it uses less digits than its factorization.

22130155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1134.

The product of its (nonzero) digits is 300, while the sum is 19.

The square root of 22130155 is about 4704.2698689595. The cubic root of 22130155 is about 280.7554218228.

Adding to 22130155 its reverse (55103122), we get a palindrome (77233277).

The spelling of 22130155 in words is "twenty-two million, one hundred thirty thousand, one hundred fifty-five".