222231197 has 4 divisors (see below), whose sum is σ = 222296160. Its totient is φ = 222166236.

The previous prime is 222231167. The next prime is 222231227. The reversal of 222231197 is 791132222.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is an interprime number because it is at equal distance from previous prime (222231167) and next prime (222231227).

It is a cyclic number.

It is not a de Polignac number, because 222231197 - 2⁸ = 222230941 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222231137) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 27047 + ... + 34292.

It is an arithmetic number, because the mean of its divisors is an integer number (55574040).

Almost surely, 2^222231197 is an apocalyptic number.

It is an amenable number.

222231197 is a deficient number, since it is larger than the sum of its proper divisors (64963).

222231197 is an equidigital number, since it uses as much as digits as its factorization.

222231197 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64962.

The product of its digits is 3024, while the sum is 29.

The square root of 222231197 is about 14907.4208701573. The cubic root of 222231197 is about 605.7150182944.

The spelling of 222231197 in words is "two hundred twenty-two million, two hundred thirty-one thousand, one hundred ninety-seven".