22202231231 has 2 divisors, whose sum is σ = 22202231232. Its totient is φ = 22202231230.

The previous prime is 22202231209. The next prime is 22202231263. The reversal of 22202231231 is 13213220222.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 22202231231 - 2³⁴ = 5022362047 is a prime.

It is a super-2 number, since 2×22202231231² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22202231201) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11101115615 + 11101115616.

It is an arithmetic number, because the mean of its divisors is an integer number (11101115616).

Almost surely, 2^22202231231 is an apocalyptic number.

22202231231 is a deficient number, since it is larger than the sum of its proper divisors (1).

22202231231 is an equidigital number, since it uses as much as digits as its factorization.

22202231231 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 20.

Adding to 22202231231 its reverse (13213220222), we get a palindrome (35415451453).

The spelling of 22202231231 in words is "twenty-two billion, two hundred two million, two hundred thirty-one thousand, two hundred thirty-one".