42222234 has 8 divisors (see below), whose sum is σ = 84444480. Its totient is φ = 14074076.

The previous prime is 42222233. The next prime is 42222239. The reversal of 42222234 is 43222224.

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

42222234 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 42222234.

It is not an unprimeable number, because it can be changed into a prime (42222233) 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, 3518514 + ... + 3518525.

It is an arithmetic number, because the mean of its divisors is an integer number (10555560).

Almost surely, 2^42222234 is an apocalyptic number.

42222234 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.

42222234 is a wasteful number, since it uses less digits than its factorization.

42222234 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7037044.

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

The square root of 42222234 is about 6497.8638028201. The cubic root of 42222234 is about 348.2146746520.

Adding to 42222234 its reverse (43222224), we get a palindrome (85444458).

The spelling of 42222234 in words is "forty-two million, two hundred twenty-two thousand, two hundred thirty-four".