222240234 has 8 divisors (see below), whose sum is σ = 444480480. Its totient is φ = 74080076.

The previous prime is 222240223. The next prime is 222240247. The reversal of 222240234 is 432042222.

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

222240234 is an admirable number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 222240234.

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, 18520014 + ... + 18520025.

It is an arithmetic number, because the mean of its divisors is an integer number (55560060).

Almost surely, 2^222240234 is an apocalyptic number.

222240234 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.

222240234 is a wasteful number, since it uses less digits than its factorization.

222240234 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37040044.

The product of its (nonzero) digits is 1536, while the sum is 21.

The square root of 222240234 is about 14907.7239711500. The cubic root of 222240234 is about 605.7232286214.

Adding to 222240234 its reverse (432042222), we get a palindrome (654282456).

The spelling of 222240234 in words is "two hundred twenty-two million, two hundred forty thousand, two hundred thirty-four".