22202420231 has 2 divisors, whose sum is σ = 22202420232. Its totient is φ = 22202420230.

The previous prime is 22202420183. The next prime is 22202420311. The reversal of 22202420231 is 13202420222.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 22202420231 - 2¹⁰ = 22202419207 is a prime.

It is a super-2 number, since 2×22202420231² (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 (22202428231) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11101210115 + 11101210116.

It is an arithmetic number, because the mean of its divisors is an integer number (11101210116).

Almost surely, 2^22202420231 is an apocalyptic number.

22202420231 is a deficient number, since it is larger than the sum of its proper divisors (1).

22202420231 is an equidigital number, since it uses as much as digits as its factorization.

22202420231 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 768, while the sum is 20.

Adding to 22202420231 its reverse (13202420222), we get a palindrome (35404840453).

Subtracting from 22202420231 its reverse (13202420222), we obtain a palindrome (9000000009).

The spelling of 22202420231 in words is "twenty-two billion, two hundred two million, four hundred twenty thousand, two hundred thirty-one".