222131202523 has 2 divisors, whose sum is σ = 222131202524. Its totient is φ = 222131202522.

The previous prime is 222131202521. The next prime is 222131202563. The reversal of 222131202523 is 325202131222.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 222131202523 - 2¹ = 222131202521 is a prime.

It is a super-2 number, since 2×222131202523² (a number of 23 digits) contains 22 as substring.

Together with 222131202521, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (222131202521) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 111065601261 + 111065601262.

It is an arithmetic number, because the mean of its divisors is an integer number (111065601262).

Almost surely, 2^222131202523 is an apocalyptic number.

222131202523 is a deficient number, since it is larger than the sum of its proper divisors (1).

222131202523 is an equidigital number, since it uses as much as digits as its factorization.

222131202523 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2880, while the sum is 25.

Adding to 222131202523 its reverse (325202131222), we get a palindrome (547333333745).

The spelling of 222131202523 in words is "two hundred twenty-two billion, one hundred thirty-one million, two hundred two thousand, five hundred twenty-three".