22145316361 has 16 divisors (see below), whose sum is σ = 25379651584. Its totient is φ = 18928739664.

The previous prime is 22145316359. The next prime is 22145316377. The reversal of 22145316361 is 16361354122.

It is a cyclic number.

It is not a de Polignac number, because 22145316361 - 2¹ = 22145316359 is a prime.

It is not an unprimeable number, because it can be changed into a prime (22145316301) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4514236 + ... + 4519138.

It is an arithmetic number, because the mean of its divisors is an integer number (1586228224).

Almost surely, 2^22145316361 is an apocalyptic number.

It is an amenable number.

22145316361 is a deficient number, since it is larger than the sum of its proper divisors (3234335223).

22145316361 is a wasteful number, since it uses less digits than its factorization.

22145316361 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6580.

The product of its digits is 25920, while the sum is 34.

The spelling of 22145316361 in words is "twenty-two billion, one hundred forty-five million, three hundred sixteen thousand, three hundred sixty-one".