222432342 has 32 divisors (see below), whose sum is σ = 486241920. Its totient is φ = 67273920.

The previous prime is 222432323. The next prime is 222432377. The reversal of 222432342 is 243234222.

It is a happy number.

It is a super-2 number, since 2×222432342² = 98952293535209928, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 34593 + ... + 40515.

It is an arithmetic number, because the mean of its divisors is an integer number (15195060).

Almost surely, 2^222432342 is an apocalyptic number.

222432342 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

222432342 is an abundant number, since it is smaller than the sum of its proper divisors (263809578).

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

222432342 is a wasteful number, since it uses less digits than its factorization.

222432342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6508.

The product of its digits is 4608, while the sum is 24.

The square root of 222432342 is about 14914.1658164310. The cubic root of 222432342 is about 605.8977106267.

Adding to 222432342 its reverse (243234222), we get a palindrome (465666564).

The spelling of 222432342 in words is "two hundred twenty-two million, four hundred thirty-two thousand, three hundred forty-two".