22455022231 has 2 divisors, whose sum is σ = 22455022232. Its totient is φ = 22455022230.

The previous prime is 22455022201. The next prime is 22455022279. The reversal of 22455022231 is 13222055422.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 22455022231 - 2¹¹ = 22455020183 is a prime.

It is a super-2 number, since 2×22455022231² (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 22455022231.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22455022201) 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, 11227511115 + 11227511116.

It is an arithmetic number, because the mean of its divisors is an integer number (11227511116).

Almost surely, 2^22455022231 is an apocalyptic number.

22455022231 is a deficient number, since it is larger than the sum of its proper divisors (1).

22455022231 is an equidigital number, since it uses as much as digits as its factorization.

22455022231 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 9600, while the sum is 28.

Adding to 22455022231 its reverse (13222055422), we get a palindrome (35677077653).

The spelling of 22455022231 in words is "twenty-two billion, four hundred fifty-five million, twenty-two thousand, two hundred thirty-one".