222002231831 has 2 divisors, whose sum is σ = 222002231832. Its totient is φ = 222002231830.

The previous prime is 222002231797. The next prime is 222002231837. The reversal of 222002231831 is 138132200222.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 222002231831 - 2²⁶ = 221935122967 is a prime.

It is a super-2 number, since 2×222002231831² (a number of 23 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 222002231831.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (222002231837) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 111001115915 + 111001115916.

It is an arithmetic number, because the mean of its divisors is an integer number (111001115916).

Almost surely, 2^222002231831 is an apocalyptic number.

222002231831 is a deficient number, since it is larger than the sum of its proper divisors (1).

222002231831 is an equidigital number, since it uses as much as digits as its factorization.

222002231831 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2304, while the sum is 26.

The spelling of 222002231831 in words is "two hundred twenty-two billion, two million, two hundred thirty-one thousand, eight hundred thirty-one".