22742100112 has 20 divisors (see below), whose sum is σ = 44068568940. Its totient is φ = 11369566208.

The previous prime is 22742100019. The next prime is 22742100127. The reversal of 22742100112 is 21100124722.

It can be written as a sum of positive squares in 2 ways, for example, as 11475551376 + 11266548736 = 107124^2 + 106144^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 39408 + ... + 216880.

It is an arithmetic number, because the mean of its divisors is an integer number (2203428447).

Almost surely, 2^22742100112 is an apocalyptic number.

It is an amenable number.

22742100112 is a deficient number, since it is larger than the sum of its proper divisors (21326468828).

22742100112 is a wasteful number, since it uses less digits than its factorization.

22742100112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 185490 (or 185484 counting only the distinct ones).

The product of its (nonzero) digits is 448, while the sum is 22.

Adding to 22742100112 its reverse (21100124722), we get a palindrome (43842224834).

The spelling of 22742100112 in words is "twenty-two billion, seven hundred forty-two million, one hundred thousand, one hundred twelve".