22204320031 has 2 divisors, whose sum is σ = 22204320032. Its totient is φ = 22204320030.

The previous prime is 22204320023. The next prime is 22204320049. The reversal of 22204320031 is 13002340222.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 22204320031 - 2³ = 22204320023 is a prime.

It is a super-2 number, since 2×22204320031² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 22204319990 and 22204320008.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22204320011) 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 as a sum of consecutive naturals, namely, 11102160015 + 11102160016.

It is an arithmetic number, because the mean of its divisors is an integer number (11102160016).

Almost surely, 2^22204320031 is an apocalyptic number.

22204320031 is a deficient number, since it is larger than the sum of its proper divisors (1).

22204320031 is an equidigital number, since it uses as much as digits as its factorization.

22204320031 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 576, while the sum is 19.

Adding to 22204320031 its reverse (13002340222), we get a palindrome (35206660253).

The spelling of 22204320031 in words is "twenty-two billion, two hundred four million, three hundred twenty thousand, thirty-one".