38622219 has 8 divisors (see below), whose sum is σ = 51996672. Its totient is φ = 25497960.

The previous prime is 38622209. The next prime is 38622239. The reversal of 38622219 is 91222683.

It is a happy number.

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

It is not a de Polignac number, because 38622219 - 2⁷ = 38622091 is a prime.

It is a super-2 number, since 2×38622219² = 2983351600967922, which contains 22 as substring.

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a self number, because there is not a number n which added to its sum of digits gives 38622219.

It is not an unprimeable number, because it can be changed into a prime (38622209) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 62187 + ... + 62804.

It is an arithmetic number, because the mean of its divisors is an integer number (6499584).

Almost surely, 2^38622219 is an apocalyptic number.

38622219 is a deficient number, since it is larger than the sum of its proper divisors (13374453).

38622219 is a wasteful number, since it uses less digits than its factorization.

38622219 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 125097.

The product of its digits is 10368, while the sum is 33.

The square root of 38622219 is about 6214.6777068485. The cubic root of 38622219 is about 338.0226021556.

The spelling of 38622219 in words is "thirty-eight million, six hundred twenty-two thousand, two hundred nineteen".