22968138 has 8 divisors (see below), whose sum is σ = 45936288. Its totient is φ = 7656044.

The previous prime is 22968119. The next prime is 22968151. The reversal of 22968138 is 83186922.

It is a happy number.

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

22968138 is an admirable number.

It is a junction number, because it is equal to n+sod(n) for n = 22968096 and 22968105.

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, 1914006 + ... + 1914017.

It is an arithmetic number, because the mean of its divisors is an integer number (5742036).

Almost surely, 2^22968138 is an apocalyptic number.

22968138 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.

22968138 is a wasteful number, since it uses less digits than its factorization.

22968138 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3828028.

The product of its digits is 41472, while the sum is 39.

The square root of 22968138 is about 4792.5085289439. The cubic root of 22968138 is about 284.2553165890.

The spelling of 22968138 in words is "twenty-two million, nine hundred sixty-eight thousand, one hundred thirty-eight".