222878448 has 120 divisors (see below), whose sum is σ = 682140368. Its totient is φ = 67516416.

The previous prime is 222878431. The next prime is 222878471. The reversal of 222878448 is 844878222.

222878448 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 124536 + ... + 126312.

Almost surely, 2^222878448 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 222878448, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (341070184).

222878448 is an abundant number, since it is smaller than the sum of its proper divisors (459261920).

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

222878448 is a wasteful number, since it uses less digits than its factorization.

222878448 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1871 (or 1862 counting only the distinct ones).

The product of its digits is 458752, while the sum is 45.

The square root of 222878448 is about 14929.1141063360. The cubic root of 222878448 is about 606.3024990424.

The spelling of 222878448 in words is "two hundred twenty-two million, eight hundred seventy-eight thousand, four hundred forty-eight".