39841222 has 4 divisors (see below), whose sum is σ = 59761836. Its totient is φ = 19920610.

The previous prime is 39841211. The next prime is 39841229. The reversal of 39841222 is 22214893.

It is a semiprime because it is the product of two primes.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (39841229) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9960304 + ... + 9960307.

It is an arithmetic number, because the mean of its divisors is an integer number (14940459).

Almost surely, 2^39841222 is an apocalyptic number.

39841222 is a deficient number, since it is larger than the sum of its proper divisors (19920614).

39841222 is a wasteful number, since it uses less digits than its factorization.

39841222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19920613.

The product of its digits is 6912, while the sum is 31.

The square root of 39841222 is about 6311.9903358608. The cubic root of 39841222 is about 341.5420783369.

The spelling of 39841222 in words is "thirty-nine million, eight hundred forty-one thousand, two hundred twenty-two".