22311013122 has 24 divisors (see below), whose sum is σ = 48768325164. Its totient is φ = 7371189504.

The previous prime is 22311013099. The next prime is 22311013139. The reversal of 22311013122 is 22131011322.

It can be written as a sum of positive squares in 2 ways, for example, as 22269294441 + 41718681 = 149229^2 + 6459^2 .

It is a super-3 number, since 3×22311013122³ (a number of 32 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 22311013095 and 22311013104.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5482483 + ... + 5486550.

Almost surely, 2^22311013122 is an apocalyptic number.

22311013122 is an abundant number, since it is smaller than the sum of its proper divisors (26457312042).

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

22311013122 is a wasteful number, since it uses less digits than its factorization.

22311013122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10969154 (or 10969151 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

Adding to 22311013122 its reverse (22131011322), we get a palindrome (44442024444).

The spelling of 22311013122 in words is "twenty-two billion, three hundred eleven million, thirteen thousand, one hundred twenty-two".