222631793 has 2 divisors, whose sum is σ = 222631794. Its totient is φ = 222631792.

The previous prime is 222631751. The next prime is 222631807. The reversal of 222631793 is 397136222.

222631793 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., 152942689 + 69689104 = 12367^2 + 8348^2 .

It is a cyclic number.

It is not a de Polignac number, because 222631793 - 2¹⁴ = 222615409 is a prime.

It is not a weakly prime, because it can be changed into another prime (222631723) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 111315896 + 111315897.

It is an arithmetic number, because the mean of its divisors is an integer number (111315897).

Almost surely, 2^222631793 is an apocalyptic number.

It is an amenable number.

222631793 is a deficient number, since it is larger than the sum of its proper divisors (1).

222631793 is an equidigital number, since it uses as much as digits as its factorization.

222631793 is an evil number, because the sum of its binary digits is even.

The product of its digits is 27216, while the sum is 35.

The square root of 222631793 is about 14920.8509475834. The cubic root of 222631793 is about 606.0787556444.

The spelling of 222631793 in words is "two hundred twenty-two million, six hundred thirty-one thousand, seven hundred ninety-three".