222894592 has 40 divisors (see below), whose sum is σ = 446846400. Its totient is φ = 111074304.

The previous prime is 222894571. The next prime is 222894593. The reversal of 222894592 is 295498222.

It is not an unprimeable number, because it can be changed into a prime (222894593) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 214009 + ... + 215047.

It is an arithmetic number, because the mean of its divisors is an integer number (11171160).

Almost surely, 2^222894592 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 222894592, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (223423200).

222894592 is an abundant number, since it is smaller than the sum of its proper divisors (223951808).

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

222894592 is an equidigital number, since it uses as much as digits as its factorization.

222894592 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1476 (or 1460 counting only the distinct ones).

The product of its digits is 207360, while the sum is 43.

The square root of 222894592 is about 14929.6547850243. The cubic root of 222894592 is about 606.3171376811.

The spelling of 222894592 in words is "two hundred twenty-two million, eight hundred ninety-four thousand, five hundred ninety-two".