22642117263 has 24 divisors (see below), whose sum is σ = 34152749280. Its totient is φ = 14427663360.

The previous prime is 22642117261. The next prime is 22642117271. The reversal of 22642117263 is 36271124622.

22642117263 is a `hidden beast` number, since 2 + 2 + 6 + 421 + 172 + 63 = 666.

It is not a de Polignac number, because 22642117263 - 2¹ = 22642117261 is a prime.

It is a super-2 number, since 2×22642117263² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22642117261) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 241543 + ... + 321911.

It is an arithmetic number, because the mean of its divisors is an integer number (1423031220).

Almost surely, 2^22642117263 is an apocalyptic number.

22642117263 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

22642117263 is a deficient number, since it is larger than the sum of its proper divisors (11510632017).

22642117263 is a wasteful number, since it uses less digits than its factorization.

22642117263 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81759 (or 81756 counting only the distinct ones).

The product of its digits is 48384, while the sum is 36.

The spelling of 22642117263 in words is "twenty-two billion, six hundred forty-two million, one hundred seventeen thousand, two hundred sixty-three".