22672018 has 8 divisors (see below), whose sum is σ = 34151040. Its totient is φ = 11288340.

The previous prime is 22672007. The next prime is 22672021. The reversal of 22672018 is 81027622.

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

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, 23238 + ... + 24193.

It is an arithmetic number, because the mean of its divisors is an integer number (4268880).

Almost surely, 2^22672018 is an apocalyptic number.

22672018 is a deficient number, since it is larger than the sum of its proper divisors (11479022).

22672018 is a wasteful number, since it uses less digits than its factorization.

22672018 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47672.

The product of its (nonzero) digits is 2688, while the sum is 28.

The square root of 22672018 is about 4761.5142549403. The cubic root of 22672018 is about 283.0284280149.

The spelling of 22672018 in words is "twenty-two million, six hundred seventy-two thousand, eighteen".