22102212331 has 2 divisors, whose sum is σ = 22102212332. Its totient is φ = 22102212330.

The previous prime is 22102212313. The next prime is 22102212347. The reversal of 22102212331 is 13321220122.

Together with previous prime (22102212313) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 22102212331 - 2¹³ = 22102204139 is a prime.

It is a super-2 number, since 2×22102212331² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 22102212299 and 22102212308.

It is not a weakly prime, because it can be changed into another prime (62102212331) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11051106165 + 11051106166.

It is an arithmetic number, because the mean of its divisors is an integer number (11051106166).

Almost surely, 2^22102212331 is an apocalyptic number.

22102212331 is a deficient number, since it is larger than the sum of its proper divisors (1).

22102212331 is an equidigital number, since it uses as much as digits as its factorization.

22102212331 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 22102212331 its reverse (13321220122), we get a palindrome (35423432453).

The spelling of 22102212331 in words is "twenty-two billion, one hundred two million, two hundred twelve thousand, three hundred thirty-one".