22820029969 has 27 divisors (see below), whose sum is σ = 25977047817. Its totient is φ = 20030953800.

The previous prime is 22820029927. The next prime is 22820029997. The reversal of 22820029969 is 96992002822.

The square root of 22820029969 is 151063.

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

It is not a de Polignac number, because 22820029969 - 2¹⁵ = 22819997201 is a prime.

It is a super-2 number, since 2×22820029969² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22820029919) by changing a digit.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 51512262 + ... + 51512704.

Almost surely, 2^22820029969 is an apocalyptic number.

22820029969 is the 151063-rd square number.

22820029969 is the 75532-nd centered octagonal number.

It is an amenable number.

22820029969 is a deficient number, since it is larger than the sum of its proper divisors (3157017848).

22820029969 is an frugal number, since it uses more digits than its factorization.

22820029969 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 970 (or 485 counting only the distinct ones).

The product of its (nonzero) digits is 559872, while the sum is 49.

Multiplying 22820029969 by its sum of digits (49), we get a square (1118181468481 = 1057441²).

The spelling of 22820029969 in words is "twenty-two billion, eight hundred twenty million, twenty-nine thousand, nine hundred sixty-nine".