22075192947 has 4 divisors (see below), whose sum is σ = 29433590600. Its totient is φ = 14716795296.

The previous prime is 22075192943. The next prime is 22075192961. The reversal of 22075192947 is 74929157022.

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

It is not a de Polignac number, because 22075192947 - 2² = 22075192943 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 22075192896 and 22075192905.

It is not an unprimeable number, because it can be changed into a prime (22075192943) 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, 3679198822 + ... + 3679198827.

It is an arithmetic number, because the mean of its divisors is an integer number (7358397650).

Almost surely, 2^22075192947 is an apocalyptic number.

22075192947 is a deficient number, since it is larger than the sum of its proper divisors (7358397653).

22075192947 is an equidigital number, since it uses as much as digits as its factorization.

22075192947 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7358397652.

The product of its (nonzero) digits is 635040, while the sum is 48.

The spelling of 22075192947 in words is "twenty-two billion, seventy-five million, one hundred ninety-two thousand, nine hundred forty-seven".