222226688 has 18 divisors (see below), whose sum is σ = 443585814. Its totient is φ = 111113216.

The previous prime is 222226657. The next prime is 222226691. The reversal of 222226688 is 886622222.

It can be written as a sum of positive squares in only one way, i.e., 220463104 + 1763584 = 14848^2 + 1328^2 .

It is a plaindrome in base 10.

It is a zygodrome in base 10.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 433781 + ... + 434292.

Almost surely, 2^222226688 is an apocalyptic number.

It is an amenable number.

222226688 is a deficient number, since it is larger than the sum of its proper divisors (221359126).

222226688 is an frugal number, since it uses more digits than its factorization.

222226688 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 868089 (or 868075 counting only the distinct ones).

The product of its digits is 73728, while the sum is 38.

The square root of 222226688 is about 14907.2696359863. The cubic root of 222226688 is about 605.7109216786.

The spelling of 222226688 in words is "two hundred twenty-two million, two hundred twenty-six thousand, six hundred eighty-eight".