222494592 has 64 divisors (see below), whose sum is σ = 595647360. Its totient is φ = 73582080.

The previous prime is 222494567. The next prime is 222494593. The reversal of 222494592 is 295494222.

222494592 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (64).

It is a self number, because there is not a number n which added to its sum of digits gives 222494592.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222494593) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 48093 + ... + 52515.

It is an arithmetic number, because the mean of its divisors is an integer number (9306990).

Almost surely, 2^222494592 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 222494592, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (297823680).

222494592 is an abundant number, since it is smaller than the sum of its proper divisors (373152768).

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

222494592 is a wasteful number, since it uses less digits than its factorization.

222494592 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4571 (or 4559 counting only the distinct ones).

The product of its digits is 103680, while the sum is 39.

The square root of 222494592 is about 14916.2526125029. The cubic root of 222494592 is about 605.9542276095.

The spelling of 222494592 in words is "two hundred twenty-two million, four hundred ninety-four thousand, five hundred ninety-two".