222402234 has 8 divisors (see below), whose sum is σ = 444804480. Its totient is φ = 74134076.

The previous prime is 222402233. The next prime is 222402251. The reversal of 222402234 is 432204222.

222402234 is digitally balanced in base 2, 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.

222402234 is an admirable number.

It is a self number, because there is not a number n which added to its sum of digits gives 222402234.

It is not an unprimeable number, because it can be changed into a prime (222402233) 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, 18533514 + ... + 18533525.

It is an arithmetic number, because the mean of its divisors is an integer number (55600560).

Almost surely, 2^222402234 is an apocalyptic number.

222402234 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.

222402234 is a wasteful number, since it uses less digits than its factorization.

222402234 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37067044.

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

The square root of 222402234 is about 14913.1564063413. The cubic root of 222402234 is about 605.8703716896.

Adding to 222402234 its reverse (432204222), we get a palindrome (654606456).

The spelling of 222402234 in words is "two hundred twenty-two million, four hundred two thousand, two hundred thirty-four".