222318666958 has 4 divisors (see below), whose sum is σ = 333478000440. Its totient is φ = 111159333478.

The previous prime is 222318666929. The next prime is 222318666959. The reversal of 222318666958 is 859666813222.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222318666959) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55579666738 + ... + 55579666741.

It is an arithmetic number, because the mean of its divisors is an integer number (83369500110).

Almost surely, 2^222318666958 is an apocalyptic number.

222318666958 is a deficient number, since it is larger than the sum of its proper divisors (111159333482).

222318666958 is a wasteful number, since it uses less digits than its factorization.

222318666958 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 111159333481.

The product of its digits is 14929920, while the sum is 58.

The spelling of 222318666958 in words is "two hundred twenty-two billion, three hundred eighteen million, six hundred sixty-six thousand, nine hundred fifty-eight".