222318462197 has 8 divisors (see below), whose sum is σ = 245259392280. Its totient is φ = 200211747840.

The previous prime is 222318462137. The next prime is 222318462203. The reversal of 222318462197 is 791264813222.

It can be written as a sum of positive squares in 4 ways, for example, as 21622526116 + 200695936081 = 147046^2 + 447991^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 222318462197 - 2⁸ = 222318461941 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 (222318462137) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 208553372 + ... + 208554437.

It is an arithmetic number, because the mean of its divisors is an integer number (30657424035).

Almost surely, 2^222318462197 is an apocalyptic number.

It is an amenable number.

222318462197 is a deficient number, since it is larger than the sum of its proper divisors (22940930083).

222318462197 is a wasteful number, since it uses less digits than its factorization.

222318462197 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 417107863.

The product of its digits is 580608, while the sum is 47.

The spelling of 222318462197 in words is "two hundred twenty-two billion, three hundred eighteen million, four hundred sixty-two thousand, one hundred ninety-seven".