222066223931 has 2 divisors, whose sum is σ = 222066223932. Its totient is φ = 222066223930.

The previous prime is 222066223823. The next prime is 222066224033. The reversal of 222066223931 is 139322660222.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 222066223931 - 2³⁴ = 204886354747 is a prime.

It is a super-2 number, since 2×222066223931² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (222066223231) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 111033111965 + 111033111966.

It is an arithmetic number, because the mean of its divisors is an integer number (111033111966).

Almost surely, 2^222066223931 is an apocalyptic number.

222066223931 is a deficient number, since it is larger than the sum of its proper divisors (1).

222066223931 is an equidigital number, since it uses as much as digits as its factorization.

222066223931 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 93312, while the sum is 38.

The spelling of 222066223931 in words is "two hundred twenty-two billion, sixty-six million, two hundred twenty-three thousand, nine hundred thirty-one".