22274720717 has 4 divisors (see below), whose sum is σ = 22319004960. Its totient is φ = 22230436476.

The previous prime is 22274720659. The next prime is 22274720761. The reversal of 22274720717 is 71702747222.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 22274720717 - 2⁶ = 22274720653 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 (22274720317) 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, 22141367 + ... + 22142372.

It is an arithmetic number, because the mean of its divisors is an integer number (5579751240).

Almost surely, 2^22274720717 is an apocalyptic number.

It is an amenable number.

22274720717 is a deficient number, since it is larger than the sum of its proper divisors (44284243).

22274720717 is an equidigital number, since it uses as much as digits as its factorization.

22274720717 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44284242.

The product of its (nonzero) digits is 153664, while the sum is 41.

The spelling of 22274720717 in words is "twenty-two billion, two hundred seventy-four million, seven hundred twenty thousand, seven hundred seventeen".