222268896 has 72 divisors (see below), whose sum is σ = 633611160. Its totient is φ = 73910016.

The previous prime is 222268889. The next prime is 222268939. The reversal of 222268896 is 698862222.

It is a tau number, because it is divible by the number of its divisors (72).

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 175915 + ... + 177173.

It is an arithmetic number, because the mean of its divisors is an integer number (8800155).

Almost surely, 2^222268896 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 222268896, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (316805580).

222268896 is an abundant number, since it is smaller than the sum of its proper divisors (411342264).

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

222268896 is a wasteful number, since it uses less digits than its factorization.

222268896 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1888 (or 1877 counting only the distinct ones).

The product of its digits is 331776, while the sum is 45.

The square root of 222268896 is about 14908.6852539049. The cubic root of 222268896 is about 605.7492672502.

The spelling of 222268896 in words is "two hundred twenty-two million, two hundred sixty-eight thousand, eight hundred ninety-six".