22000000122 has 48 divisors (see below), whose sum is σ = 48742817760. Its totient is φ = 7169148000.

The previous prime is 22000000111. The next prime is 22000000133. The reversal of 22000000122 is 22100000022.

It is an interprime number because it is at equal distance from previous prime (22000000111) and next prime (22000000133).

It is a Harshad number since it is a multiple of its sum of digits (9).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 134997 + ... + 249447.

It is an arithmetic number, because the mean of its divisors is an integer number (1015475370).

Almost surely, 2^22000000122 is an apocalyptic number.

22000000122 is an abundant number, since it is smaller than the sum of its proper divisors (26742817638).

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

22000000122 is a wasteful number, since it uses less digits than its factorization.

22000000122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 114699 (or 114696 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 9.

Adding to 22000000122 its reverse (22100000022), we get a palindrome (44100000144).

The spelling of 22000000122 in words is "twenty-two billion, one hundred twenty-two", and thus it is an aban number.