22881969747 has 64 divisors (see below), whose sum is σ = 41753349120. Its totient is φ = 12060576000.

The previous prime is 22881969679. The next prime is 22881969751. The reversal of 22881969747 is 74796918822.

It is not a de Polignac number, because 22881969747 - 2⁷ = 22881969619 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is not an unprimeable number, because it can be changed into a prime (22881969347) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 4422472 + ... + 4427642.

It is an arithmetic number, because the mean of its divisors is an integer number (652396080).

Almost surely, 2^22881969747 is an apocalyptic number.

22881969747 is a gapful number since it is divisible by the number (27) formed by its first and last digit.

22881969747 is a deficient number, since it is larger than the sum of its proper divisors (18871379373).

22881969747 is a wasteful number, since it uses less digits than its factorization.

22881969747 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7001 (or 6995 counting only the distinct ones).

The product of its digits is 24385536, while the sum is 63.

The spelling of 22881969747 in words is "twenty-two billion, eight hundred eighty-one million, nine hundred sixty-nine thousand, seven hundred forty-seven".