22742100113 has 4 divisors (see below), whose sum is σ = 22743197988. Its totient is φ = 22741002240.

The previous prime is 22742100019. The next prime is 22742100127. The reversal of 22742100113 is 31100124722.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 8203287184 + 14538812929 = 90572^2 + 120577^2 .

It is a cyclic number.

It is not a de Polignac number, because 22742100113 - 2⁸ = 22742099857 is a prime.

It is a super-2 number, since 2×22742100113² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22742100133) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 517256 + ... + 559497.

It is an arithmetic number, because the mean of its divisors is an integer number (5685799497).

Almost surely, 2^22742100113 is an apocalyptic number.

It is an amenable number.

22742100113 is a deficient number, since it is larger than the sum of its proper divisors (1097875).

22742100113 is a wasteful number, since it uses less digits than its factorization.

22742100113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1097874.

The product of its (nonzero) digits is 672, while the sum is 23.

Adding to 22742100113 its reverse (31100124722), we get a palindrome (53842224835).

The spelling of 22742100113 in words is "twenty-two billion, seven hundred forty-two million, one hundred thousand, one hundred thirteen".