22120120022 has 32 divisors (see below), whose sum is σ = 44549616384. Its totient is φ = 7955287200.

The previous prime is 22120120021. The next prime is 22120120031. The reversal of 22120120022 is 22002102122.

It is a Harshad number since it is a multiple of its sum of digits (14).

It is a junction number, because it is equal to n+sod(n) for n = 22120119979 and 22120120006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22120120021) 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, 5522504 + ... + 5526507.

It is an arithmetic number, because the mean of its divisors is an integer number (1392175512).

Almost surely, 2^22120120022 is an apocalyptic number.

22120120022 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

22120120022 is an abundant number, since it is smaller than the sum of its proper divisors (22429496362).

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

22120120022 is a wasteful number, since it uses less digits than its factorization.

22120120022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11049044.

The product of its (nonzero) digits is 64, while the sum is 14.

Adding to 22120120022 its reverse (22002102122), we get a palindrome (44122222144).

The spelling of 22120120022 in words is "twenty-two billion, one hundred twenty million, one hundred twenty thousand, twenty-two".