222140197 has 2 divisors, whose sum is σ = 222140198. Its totient is φ = 222140196.

The previous prime is 222140143. The next prime is 222140201. The reversal of 222140197 is 791041222.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 193933476 + 28206721 = 13926^2 + 5311^2 .

It is a cyclic number.

It is not a de Polignac number, because 222140197 - 2⁷ = 222140069 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (222140117) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 111070098 + 111070099.

It is an arithmetic number, because the mean of its divisors is an integer number (111070099).

Almost surely, 2^222140197 is an apocalyptic number.

It is an amenable number.

222140197 is a deficient number, since it is larger than the sum of its proper divisors (1).

222140197 is an equidigital number, since it uses as much as digits as its factorization.

222140197 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2016, while the sum is 28.

The square root of 222140197 is about 14904.3683864832. The cubic root of 222140197 is about 605.6323302459.

The spelling of 222140197 in words is "two hundred twenty-two million, one hundred forty thousand, one hundred ninety-seven".