222248388 has 24 divisors (see below), whose sum is σ = 518892192. Its totient is φ = 74038144.

The previous prime is 222248371. The next prime is 222248399. The reversal of 222248388 is 883842222.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19756 + ... + 28892.

It is an arithmetic number, because the mean of its divisors is an integer number (21620508).

Almost surely, 2^222248388 is an apocalyptic number.

It is an amenable number.

222248388 is an abundant number, since it is smaller than the sum of its proper divisors (296643804).

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

222248388 is a wasteful number, since it uses less digits than its factorization.

222248388 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11171 (or 11169 counting only the distinct ones).

The product of its digits is 98304, while the sum is 39.

The square root of 222248388 is about 14907.9974510328. The cubic root of 222248388 is about 605.7306365312.

The spelling of 222248388 in words is "two hundred twenty-two million, two hundred forty-eight thousand, three hundred eighty-eight".