22107823969 has 27 divisors (see below), whose sum is σ = 28282383633. Its totient is φ = 17217954600.

The previous prime is 22107823931. The next prime is 22107823973. The reversal of 22107823969 is 96932870122.

The square root of 22107823969 is 148687.

It is a perfect power (a square), and thus also a powerful number.

It is not a de Polignac number, because 22107823969 - 2³¹ = 19960340321 is a prime.

It is a super-2 number, since 2×22107823969² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (49).

It is not an unprimeable number, because it can be changed into a prime (22107823999) 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 26 ways as a sum of consecutive naturals, for example, 11447934 + ... + 11449864.

Almost surely, 2^22107823969 is an apocalyptic number.

22107823969 is the 148687-th square number.

22107823969 is the 74344-th centered octagonal number.

It is an amenable number.

22107823969 is a deficient number, since it is larger than the sum of its proper divisors (6174559664).

22107823969 is an frugal number, since it uses more digits than its factorization.

22107823969 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3898 (or 1949 counting only the distinct ones).

The product of its (nonzero) digits is 653184, while the sum is 49.

Multiplying 22107823969 by its sum of digits (49), we get a square (1083283374481 = 1040809²).

22107823969 divided by its sum of digits (49) gives a square (451180081 = 21241²).

The spelling of 22107823969 in words is "twenty-two billion, one hundred seven million, eight hundred twenty-three thousand, nine hundred sixty-nine".