222199993 has 2 divisors, whose sum is σ = 222199994. Its totient is φ = 222199992.

The previous prime is 222199961. The next prime is 222200023. The reversal of 222199993 is 399991222.

222199993 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 218211984 + 3988009 = 14772^2 + 1997^2 .

It is a cyclic number.

It is not a de Polignac number, because 222199993 - 2⁵ = 222199961 is a prime.

It is not a weakly prime, because it can be changed into another prime (222199933) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 111099996 + 111099997.

It is an arithmetic number, because the mean of its divisors is an integer number (111099997).

Almost surely, 2^222199993 is an apocalyptic number.

It is an amenable number.

222199993 is a deficient number, since it is larger than the sum of its proper divisors (1).

222199993 is an equidigital number, since it uses as much as digits as its factorization.

222199993 is an evil number, because the sum of its binary digits is even.

The product of its digits is 157464, while the sum is 46.

The square root of 222199993 is about 14906.3742405724. The cubic root of 222199993 is about 605.6866670152.

The spelling of 222199993 in words is "two hundred twenty-two million, one hundred ninety-nine thousand, nine hundred ninety-three".