22245315164 has 6 divisors (see below), whose sum is σ = 38929301544. Its totient is φ = 11122657580.

The previous prime is 22245315137. The next prime is 22245315187. The reversal of 22245315164 is 46151354222.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2780664392 + ... + 2780664399.

It is an arithmetic number, because the mean of its divisors is an integer number (6488216924).

Almost surely, 2^22245315164 is an apocalyptic number.

It is an amenable number.

22245315164 is a deficient number, since it is larger than the sum of its proper divisors (16683986380).

22245315164 is a wasteful number, since it uses less digits than its factorization.

22245315164 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5561328795 (or 5561328793 counting only the distinct ones).

The product of its digits is 57600, while the sum is 35.

Adding to 22245315164 its reverse (46151354222), we get a palindrome (68396669386).

The spelling of 22245315164 in words is "twenty-two billion, two hundred forty-five million, three hundred fifteen thousand, one hundred sixty-four".