22422234 has 8 divisors (see below), whose sum is σ = 44844480. Its totient is φ = 7474076.

The previous prime is 22422227. The next prime is 22422247. The reversal of 22422234 is 43222422.

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

22422234 is an admirable number.

It is a self number, because there is not a number n which added to its sum of digits gives 22422234.

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, 1868514 + ... + 1868525.

It is an arithmetic number, because the mean of its divisors is an integer number (5605560).

Almost surely, 2^22422234 is an apocalyptic number.

22422234 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.

22422234 is a wasteful number, since it uses less digits than its factorization.

22422234 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3737044.

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

The square root of 22422234 is about 4735.2121388593. The cubic root of 22422234 is about 281.9851860836.

Adding to 22422234 its reverse (43222422), we get a palindrome (65644656).

The spelling of 22422234 in words is "twenty-two million, four hundred twenty-two thousand, two hundred thirty-four".