222266788 has 24 divisors (see below), whose sum is σ = 423561600. Its totient is φ = 101652768.

The previous prime is 222266753. The next prime is 222266791. The reversal of 222266788 is 887662222.

222266788 is digitally balanced in base 3 and base 9, because in such bases it contains all the possibile digits an equal number of times.

It is a hoax number, since the sum of its digits (43) coincides with the sum of the digits of its distinct prime factors.

222266788 is strictly pandigital in base 9.

It is a plaindrome in base 10.

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, 48220 + ... + 52627.

It is an arithmetic number, because the mean of its divisors is an integer number (17648400).

Almost surely, 2^222266788 is an apocalyptic number.

It is an amenable number.

222266788 is a deficient number, since it is larger than the sum of its proper divisors (201294812).

222266788 is a wasteful number, since it uses less digits than its factorization.

222266788 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 100899 (or 100897 counting only the distinct ones).

The product of its digits is 258048, while the sum is 43.

The square root of 222266788 is about 14908.6145566917. The cubic root of 222266788 is about 605.7473522672.

The spelling of 222266788 in words is "two hundred twenty-two million, two hundred sixty-six thousand, seven hundred eighty-eight".