222684408 has 192 divisors, whose sum is σ = 673920000. Its totient is φ = 66147840.

The previous prime is 222684379. The next prime is 222684421. The reversal of 222684408 is 804486222.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2502028 + ... + 2502116.

It is an arithmetic number, because the mean of its divisors is an integer number (3510000).

Almost surely, 2^222684408 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 222684408, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (336960000).

222684408 is an abundant number, since it is smaller than the sum of its proper divisors (451235592).

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

222684408 is a wasteful number, since it uses less digits than its factorization.

222684408 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 210 (or 203 counting only the distinct ones).

The product of its (nonzero) digits is 49152, while the sum is 36.

The square root of 222684408 is about 14922.6139801310. The cubic root of 222684408 is about 606.1264971364.

The spelling of 222684408 in words is "two hundred twenty-two million, six hundred eighty-four thousand, four hundred eight".