222131078431 has 2 divisors, whose sum is σ = 222131078432. Its totient is φ = 222131078430.

The previous prime is 222131078423. The next prime is 222131078441. The reversal of 222131078431 is 134870131222.

222131078431 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 222131078431 - 2³ = 222131078423 is a prime.

It is a super-2 number, since 2×222131078431² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (222131078401) 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, 111065539215 + 111065539216.

It is an arithmetic number, because the mean of its divisors is an integer number (111065539216).

Almost surely, 2^222131078431 is an apocalyptic number.

222131078431 is a deficient number, since it is larger than the sum of its proper divisors (1).

222131078431 is an equidigital number, since it uses as much as digits as its factorization.

222131078431 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 16128, while the sum is 34.

The spelling of 222131078431 in words is "two hundred twenty-two billion, one hundred thirty-one million, seventy-eight thousand, four hundred thirty-one".