38221166 has 8 divisors (see below), whose sum is σ = 57385920. Its totient is φ = 19092528.

The previous prime is 38221153. The next prime is 38221181. The reversal of 38221166 is 66112283.

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 polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6206 + ... + 10721.

It is an arithmetic number, because the mean of its divisors is an integer number (7173240).

Almost surely, 2^38221166 is an apocalyptic number.

38221166 is a deficient number, since it is larger than the sum of its proper divisors (19164754).

38221166 is a wasteful number, since it uses less digits than its factorization.

38221166 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18058.

The product of its digits is 3456, while the sum is 29.

The square root of 38221166 is about 6182.3269082118. The cubic root of 38221166 is about 336.8485202974.

The spelling of 38221166 in words is "thirty-eight million, two hundred twenty-one thousand, one hundred sixty-six".