222879384 has 512 divisors, whose sum is σ = 870912000. Its totient is φ = 51093504.

The previous prime is 222879383. The next prime is 222879431. The reversal of 222879384 is 483978222.

222879384 = T₄₆₁ + T₄₆₂ + ... + T₁₁₂₇.

222879384 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222879383) by changing a digit.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 7685482 + ... + 7685510.

It is an arithmetic number, because the mean of its divisors is an integer number (1701000).

Almost surely, 2^222879384 is an apocalyptic number.

222879384 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 222879384, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (435456000).

222879384 is an abundant number, since it is smaller than the sum of its proper divisors (648032616).

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

222879384 is a wasteful number, since it uses less digits than its factorization.

222879384 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 104 (or 94 counting only the distinct ones).

The product of its digits is 387072, while the sum is 45.

The square root of 222879384 is about 14929.1454544458. The cubic root of 222879384 is about 606.3033477836.

The spelling of 222879384 in words is "two hundred twenty-two million, eight hundred seventy-nine thousand, three hundred eighty-four".