22549797722 has 4 divisors (see below), whose sum is σ = 33824696586. Its totient is φ = 11274898860.

The previous prime is 22549797719. The next prime is 22549797773. The reversal of 22549797722 is 22779794522.

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

It can be written as a sum of positive squares in only one way, i.e., 19010618641 + 3539179081 = 137879^2 + 59491^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5637449429 + ... + 5637449432.

Almost surely, 2^22549797722 is an apocalyptic number.

22549797722 is a deficient number, since it is larger than the sum of its proper divisors (11274898864).

22549797722 is a wasteful number, since it uses less digits than its factorization.

22549797722 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11274898863.

The product of its digits is 8890560, while the sum is 56.

The spelling of 22549797722 in words is "twenty-two billion, five hundred forty-nine million, seven hundred ninety-seven thousand, seven hundred twenty-two".