222493768 has 16 divisors (see below), whose sum is σ = 476772480. Its totient is φ = 95354448.

The previous prime is 222493763. The next prime is 222493769. The reversal of 222493768 is 867394222.

It is not an unprimeable number, because it can be changed into a prime (222493763) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1986496 + ... + 1986607.

It is an arithmetic number, because the mean of its divisors is an integer number (29798280).

Almost surely, 2^222493768 is an apocalyptic number.

222493768 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

222493768 is an abundant number, since it is smaller than the sum of its proper divisors (254278712).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

222493768 is a wasteful number, since it uses less digits than its factorization.

222493768 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3973116 (or 3973112 counting only the distinct ones).

The product of its digits is 290304, while the sum is 43.

The square root of 222493768 is about 14916.2249915989. The cubic root of 222493768 is about 605.9534795660.

The spelling of 222493768 in words is "two hundred twenty-two million, four hundred ninety-three thousand, seven hundred sixty-eight".