22155021130 has 16 divisors (see below), whose sum is σ = 43504405344. Its totient is φ = 8056371280.

The previous prime is 22155021127. The next prime is 22155021137. The reversal of 22155021130 is 3112055122.

It is a super-2 number, since 2×22155021130² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is not an unprimeable number, because it can be changed into a prime (22155021137) 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, 100704532 + ... + 100704751.

It is an arithmetic number, because the mean of its divisors is an integer number (2719025334).

Almost surely, 2^22155021130 is an apocalyptic number.

22155021130 is a deficient number, since it is larger than the sum of its proper divisors (21349384214).

22155021130 is a wasteful number, since it uses less digits than its factorization.

22155021130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 201409301.

The product of its (nonzero) digits is 600, while the sum is 22.

Adding to 22155021130 its reverse (3112055122), we get a palindrome (25267076252).

The spelling of 22155021130 in words is "twenty-two billion, one hundred fifty-five million, twenty-one thousand, one hundred thirty".