222948306 has 24 divisors (see below), whose sum is σ = 552062784. Its totient is φ = 63699480.

The previous prime is 222948301. The next prime is 222948343. The reversal of 222948306 is 603849222.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (222948301) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 884590 + ... + 884841.

It is an arithmetic number, because the mean of its divisors is an integer number (23002616).

Almost surely, 2^222948306 is an apocalyptic number.

222948306 is an abundant number, since it is smaller than the sum of its proper divisors (329114478).

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

222948306 is a wasteful number, since it uses less digits than its factorization.

222948306 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1769446 (or 1769443 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 36.

The square root of 222948306 is about 14931.4535796084. The cubic root of 222948306 is about 606.3658379848.

The spelling of 222948306 in words is "two hundred twenty-two million, nine hundred forty-eight thousand, three hundred six".