22122112002 has 16 divisors (see below), whose sum is σ = 46846825632. Its totient is φ = 6940270400.

The previous prime is 22122111997. The next prime is 22122112007. The reversal of 22122112002 is 20021122122.

It is an interprime number because it is at equal distance from previous prime (22122111997) and next prime (22122112007).

It is not an unprimeable number, because it can be changed into a prime (22122112007) 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, 108441624 + ... + 108441827.

It is an arithmetic number, because the mean of its divisors is an integer number (2927926602).

Almost surely, 2^22122112002 is an apocalyptic number.

22122112002 is an abundant number, since it is smaller than the sum of its proper divisors (24724713630).

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

22122112002 is a wasteful number, since it uses less digits than its factorization.

22122112002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 216883473.

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 22122112002 its reverse (20021122122), we get a palindrome (42143234124).

The spelling of 22122112002 in words is "twenty-two billion, one hundred twenty-two million, one hundred twelve thousand, two".