222124394 has 8 divisors (see below), whose sum is σ = 342191748. Its totient is φ = 108060480.

The previous prime is 222124391. The next prime is 222124417. The reversal of 222124394 is 493421222.

It is a happy number.

222124394 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 217120225 + 5004169 = 14735^2 + 2237^2 .

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

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (222124391) 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, 1500767 + ... + 1500914.

Almost surely, 2^222124394 is an apocalyptic number.

222124394 is a deficient number, since it is larger than the sum of its proper divisors (120067354).

222124394 is a wasteful number, since it uses less digits than its factorization.

222124394 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3001720.

The product of its digits is 6912, while the sum is 29.

The square root of 222124394 is about 14903.8382304694. The cubic root of 222124394 is about 605.6179683927.

The spelling of 222124394 in words is "two hundred twenty-two million, one hundred twenty-four thousand, three hundred ninety-four".