22221331297 has 16 divisors (see below), whose sum is σ = 25301185920. Its totient is φ = 19318499200.

The previous prime is 22221331271. The next prime is 22221331313. The reversal of 22221331297 is 79213312222.

It is not a de Polignac number, because 22221331297 - 2⁷ = 22221331169 is a prime.

It is a super-2 number, since 2×22221331297² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22221331267) 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 15 ways as a sum of consecutive naturals, for example, 1643079 + ... + 1656547.

It is an arithmetic number, because the mean of its divisors is an integer number (1581324120).

Almost surely, 2^22221331297 is an apocalyptic number.

It is an amenable number.

22221331297 is a deficient number, since it is larger than the sum of its proper divisors (3079854623).

22221331297 is a wasteful number, since it uses less digits than its factorization.

22221331297 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20024.

The product of its digits is 18144, while the sum is 34.

The spelling of 22221331297 in words is "twenty-two billion, two hundred twenty-one million, three hundred thirty-one thousand, two hundred ninety-seven".