222505242 has 8 divisors (see below), whose sum is σ = 445010496. Its totient is φ = 74168412.

The previous prime is 222505207. The next prime is 222505271. The reversal of 222505242 is 242505222.

It is a happy number.

222505242 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

222505242 is an admirable number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18542098 + ... + 18542109.

It is an arithmetic number, because the mean of its divisors is an integer number (55626312).

Almost surely, 2^222505242 is an apocalyptic number.

222505242 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

222505242 is a wasteful number, since it uses less digits than its factorization.

222505242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37084212.

The product of its (nonzero) digits is 3200, while the sum is 24.

The square root of 222505242 is about 14916.6096013806. The cubic root of 222505242 is about 605.9638957240.

The spelling of 222505242 in words is "two hundred twenty-two million, five hundred five thousand, two hundred forty-two".