22120022130 has 32 divisors (see below), whose sum is σ = 53197098624. Its totient is φ = 5886556416.

The previous prime is 22120022123. The next prime is 22120022137. The reversal of 22120022130 is 3122002122.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (22120022123) and next prime (22120022137).

It is a Harshad number since it is a multiple of its sum of digits (15).

It is not an unprimeable number, because it can be changed into a prime (22120022137) 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, 742407 + ... + 771626.

It is an arithmetic number, because the mean of its divisors is an integer number (1662409332).

Almost surely, 2^22120022130 is an apocalyptic number.

22120022130 is an abundant number, since it is smaller than the sum of its proper divisors (31077076494).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

22120022130 is a wasteful number, since it uses less digits than its factorization.

22120022130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1514530.

The product of its (nonzero) digits is 96, while the sum is 15.

Adding to 22120022130 its reverse (3122002122), we get a palindrome (25242024252).

The spelling of 22120022130 in words is "twenty-two billion, one hundred twenty million, twenty-two thousand, one hundred thirty".