222749376 has 56 divisors (see below), whose sum is σ = 591433920. Its totient is φ = 73988352.

The previous prime is 222749347. The next prime is 222749381. The reversal of 222749376 is 673947222.

222749376 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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, 57055 + ... + 60833.

It is an arithmetic number, because the mean of its divisors is an integer number (10561320).

Almost surely, 2^222749376 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 222749376, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (295716960).

222749376 is an abundant number, since it is smaller than the sum of its proper divisors (368684544).

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

222749376 is a wasteful number, since it uses less digits than its factorization.

222749376 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4101 (or 4091 counting only the distinct ones).

The product of its digits is 254016, while the sum is 42.

The square root of 222749376 is about 14924.7906517981. The cubic root of 222749376 is about 606.1854370471.

The spelling of 222749376 in words is "two hundred twenty-two million, seven hundred forty-nine thousand, three hundred seventy-six".