222122131493 has 2 divisors, whose sum is σ = 222122131494. Its totient is φ = 222122131492.

The previous prime is 222122131423. The next prime is 222122131507. The reversal of 222122131493 is 394131221222.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 128563839364 + 93558292129 = 358558^2 + 305873^2 .

It is a cyclic number.

It is not a de Polignac number, because 222122131493 - 2³² = 217827164197 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (222122131423) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 111061065746 + 111061065747.

It is an arithmetic number, because the mean of its divisors is an integer number (111061065747).

Almost surely, 2^222122131493 is an apocalyptic number.

It is an amenable number.

222122131493 is a deficient number, since it is larger than the sum of its proper divisors (1).

222122131493 is an equidigital number, since it uses as much as digits as its factorization.

222122131493 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 10368, while the sum is 32.

The spelling of 222122131493 in words is "two hundred twenty-two billion, one hundred twenty-two million, one hundred thirty-one thousand, four hundred ninety-three".