22109442052507 has 4 divisors (see below), whose sum is σ = 22109463376720. Its totient is φ = 22109420728296.

The previous prime is 22109442052471. The next prime is 22109442052513. The reversal of 22109442052507 is 70525024490122.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22109442052507 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22109442052567) 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, 9022863 + ... + 11208520.

It is an arithmetic number, because the mean of its divisors is an integer number (5527365844180).

Almost surely, 2^{22109442052507} is an apocalyptic number.

22109442052507 is a deficient number, since it is larger than the sum of its proper divisors (21324213).

22109442052507 is a wasteful number, since it uses less digits than its factorization.

22109442052507 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21324212.

The product of its (nonzero) digits is 403200, while the sum is 43.

The spelling of 22109442052507 in words is "twenty-two trillion, one hundred nine billion, four hundred forty-two million, fifty-two thousand, five hundred seven".