222689768 has 32 divisors (see below), whose sum is σ = 477705600. Its totient is φ = 95335872.

The previous prime is 222689759. The next prime is 222689773. The reversal of 222689768 is 867986222.

222689768 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a Smith number, since the sum of its digits (50) coincides with the sum of the digits of its prime factors.

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, 75098 + ... + 78006.

It is an arithmetic number, because the mean of its divisors is an integer number (14928300).

Almost surely, 2^222689768 is an apocalyptic number.

222689768 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

222689768 is an abundant number, since it is smaller than the sum of its proper divisors (255015832).

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

222689768 is a wasteful number, since it uses less digits than its factorization.

222689768 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4289 (or 4285 counting only the distinct ones).

The product of its digits is 1161216, while the sum is 50.

The square root of 222689768 is about 14922.7935722505. The cubic root of 222689768 is about 606.1313602399.

The spelling of 222689768 in words is "two hundred twenty-two million, six hundred eighty-nine thousand, seven hundred sixty-eight".