222394448618 has 16 divisors (see below), whose sum is σ = 338216786880. Its totient is φ = 109666116000.

The previous prime is 222394448609. The next prime is 222394448641. The reversal of 222394448618 is 816844493222.

It is a super-2 number, since 2×222394448618² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 222394448618.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2606963 + ... + 2690918.

It is an arithmetic number, because the mean of its divisors is an integer number (21138549180).

Almost surely, 2^222394448618 is an apocalyptic number.

222394448618 is a deficient number, since it is larger than the sum of its proper divisors (115822338262).

222394448618 is a wasteful number, since it uses less digits than its factorization.

222394448618 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5298173.

The product of its digits is 5308416, while the sum is 53.

The spelling of 222394448618 in words is "two hundred twenty-two billion, three hundred ninety-four million, four hundred forty-eight thousand, six hundred eighteen".