222838788 has 96 divisors (see below), whose sum is σ = 574414848. Its totient is φ = 66931200.

The previous prime is 222838751. The next prime is 222838817. The reversal of 222838788 is 887838222.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1056003 + ... + 1056213.

It is an arithmetic number, because the mean of its divisors is an integer number (5983488).

Almost surely, 2^222838788 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 222838788, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (287207424).

222838788 is an abundant number, since it is smaller than the sum of its proper divisors (351576060).

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

222838788 is a wasteful number, since it uses less digits than its factorization.

222838788 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 433 (or 431 counting only the distinct ones).

The product of its digits is 688128, while the sum is 48.

The square root of 222838788 is about 14927.7857701670. The cubic root of 222838788 is about 606.2665341719.

The spelling of 222838788 in words is "two hundred twenty-two million, eight hundred thirty-eight thousand, seven hundred eighty-eight".