22422238 has 8 divisors (see below), whose sum is σ = 34718400. Its totient is φ = 10849440.

The previous prime is 22422227. The next prime is 22422247. The reversal of 22422238 is 83222422.

It is a happy number.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 180763 + ... + 180886.

It is an arithmetic number, because the mean of its divisors is an integer number (4339800).

Almost surely, 2^22422238 is an apocalyptic number.

22422238 is a deficient number, since it is larger than the sum of its proper divisors (12296162).

22422238 is a wasteful number, since it uses less digits than its factorization.

22422238 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 361682.

The product of its digits is 3072, while the sum is 25.

The square root of 22422238 is about 4735.2125612268. The cubic root of 22422238 is about 281.9852028518.

The spelling of 22422238 in words is "twenty-two million, four hundred twenty-two thousand, two hundred thirty-eight".