22764894271 has 24 divisors (see below), whose sum is σ = 27001102464. Its totient is φ = 19130529600.

The previous prime is 22764894241. The next prime is 22764894331. The reversal of 22764894271 is 17249846722.

It is not a de Polignac number, because 22764894271 - 2¹⁵ = 22764861503 is a prime.

It is a super-2 number, since 2×22764894271² (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 (22764894221) 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 23 ways as a sum of consecutive naturals, for example, 5064501 + ... + 5068993.

It is an arithmetic number, because the mean of its divisors is an integer number (1125045936).

Almost surely, 2^22764894271 is an apocalyptic number.

22764894271 is a deficient number, since it is larger than the sum of its proper divisors (4236208193).

22764894271 is a wasteful number, since it uses less digits than its factorization.

22764894271 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6511 (or 6504 counting only the distinct ones).

The product of its digits is 2709504, while the sum is 52.

The spelling of 22764894271 in words is "twenty-two billion, seven hundred sixty-four million, eight hundred ninety-four thousand, two hundred seventy-one".