38220842 has 8 divisors (see below), whose sum is σ = 62543232. Its totient is φ = 17373100.

The previous prime is 38220841. The next prime is 38220857. The reversal of 38220842 is 24802283.

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

It is not an unprimeable number, because it can be changed into a prime (38220841) 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 3 ways as a sum of consecutive naturals, for example, 868634 + ... + 868677.

It is an arithmetic number, because the mean of its divisors is an integer number (7817904).

Almost surely, 2^38220842 is an apocalyptic number.

38220842 is a deficient number, since it is larger than the sum of its proper divisors (24322390).

38220842 is a wasteful number, since it uses less digits than its factorization.

38220842 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1737324.

The product of its (nonzero) digits is 6144, while the sum is 29.

The square root of 38220842 is about 6182.3007044303. The cubic root of 38220842 is about 336.8475684755.

The spelling of 38220842 in words is "thirty-eight million, two hundred twenty thousand, eight hundred forty-two".