222789380 has 24 divisors (see below), whose sum is σ = 510390720. Its totient is φ = 81014240.

The previous prime is 222789373. The next prime is 222789439. The reversal of 222789380 is 83987222.

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, 506120 + ... + 506559.

It is an arithmetic number, because the mean of its divisors is an integer number (21266280).

Almost surely, 2^222789380 is an apocalyptic number.

222789380 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

222789380 is an abundant number, since it is smaller than the sum of its proper divisors (287601340).

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

222789380 is a wasteful number, since it uses less digits than its factorization.

222789380 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1012699 (or 1012697 counting only the distinct ones).

The product of its (nonzero) digits is 96768, while the sum is 41.

The square root of 222789380 is about 14926.1307779344. The cubic root of 222789380 is about 606.2217235545.

The spelling of 222789380 in words is "two hundred twenty-two million, seven hundred eighty-nine thousand, three hundred eighty".