22354137169 has 81 divisors (see below), whose sum is σ = 29654905329. Its totient is φ = 16793300160.

The previous prime is 22354137167. The next prime is 22354137187. The reversal of 22354137169 is 96173145322.

The square root of 22354137169 is 149513.

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

It can be written as a sum of positive squares in 4 ways, for example, as 580183569 + 21773953600 = 24087^2 + 147560^2 .

It is not a de Polignac number, because 22354137169 - 2¹ = 22354137167 is a prime.

It is a super-2 number, since 2×22354137169² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (22354137163) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 80 ways as a sum of consecutive naturals, for example, 421776147 + ... + 421776199.

Almost surely, 2^22354137169 is an apocalyptic number.

22354137169 is the 149513-rd square number.

22354137169 is the 74757-th centered octagonal number.

It is an amenable number.

22354137169 is a deficient number, since it is larger than the sum of its proper divisors (7300768160).

22354137169 is an equidigital number, since it uses as much as digits as its factorization.

22354137169 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 208 (or 104 counting only the distinct ones).

The product of its digits is 272160, while the sum is 43.

The spelling of 22354137169 in words is "twenty-two billion, three hundred fifty-four million, one hundred thirty-seven thousand, one hundred sixty-nine".