22120822247 has 4 divisors (see below), whose sum is σ = 22124394600. Its totient is φ = 22117249896.

The previous prime is 22120822189. The next prime is 22120822279. The reversal of 22120822247 is 74222802122.

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

It is a cyclic number.

It is not a de Polignac number, because 22120822247 - 2¹⁰ = 22120821223 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22120872247) 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, 1776872 + ... + 1789277.

It is an arithmetic number, because the mean of its divisors is an integer number (5531098650).

Almost surely, 2^22120822247 is an apocalyptic number.

22120822247 is a deficient number, since it is larger than the sum of its proper divisors (3572353).

22120822247 is an equidigital number, since it uses as much as digits as its factorization.

22120822247 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3572352.

The product of its (nonzero) digits is 14336, while the sum is 32.

The spelling of 22120822247 in words is "twenty-two billion, one hundred twenty million, eight hundred twenty-two thousand, two hundred forty-seven".