22451247113 has 8 divisors (see below), whose sum is σ = 23004119880. Its totient is φ = 21898625920.

The previous prime is 22451247109. The next prime is 22451247121. The reversal of 22451247113 is 31174215422.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 1272848329 + 21178398784 = 35677^2 + 145528^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 22451247113 - 2² = 22451247109 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 22451247113.

It is not an unprimeable number, because it can be changed into a prime (22451247193) 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, 124583 + ... + 245811.

It is an arithmetic number, because the mean of its divisors is an integer number (2875514985).

Almost surely, 2^22451247113 is an apocalyptic number.

It is an amenable number.

22451247113 is a deficient number, since it is larger than the sum of its proper divisors (552872767).

22451247113 is a wasteful number, since it uses less digits than its factorization.

22451247113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 125787.

The product of its digits is 13440, while the sum is 32.

The spelling of 22451247113 in words is "twenty-two billion, four hundred fifty-one million, two hundred forty-seven thousand, one hundred thirteen".