222493784 has 16 divisors (see below), whose sum is σ = 422203320. Its totient is φ = 109906240.

The previous prime is 222493769. The next prime is 222493787. The reversal of 222493784 is 487394222.

222493784 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222493787) 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, 166877 + ... + 168204.

Almost surely, 2^222493784 is an apocalyptic number.

It is an amenable number.

222493784 is a deficient number, since it is larger than the sum of its proper divisors (199709536).

222493784 is a wasteful number, since it uses less digits than its factorization.

222493784 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 335170 (or 335166 counting only the distinct ones).

The product of its digits is 193536, while the sum is 41.

The square root of 222493784 is about 14916.2255279276. The cubic root of 222493784 is about 605.9534940911.

The spelling of 222493784 in words is "two hundred twenty-two million, four hundred ninety-three thousand, seven hundred eighty-four".