4139222 has 8 divisors (see below), whose sum is σ = 6247416. Its totient is φ = 2056752.

The previous prime is 4139221. The next prime is 4139249. The reversal of 4139222 is 2229314.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4139221) by changing a digit.

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, 6023 + ... + 6674.

It is an arithmetic number, because the mean of its divisors is an integer number (780927).

Almost surely, 2^4139222 is an apocalyptic number.

4139222 is a deficient number, since it is larger than the sum of its proper divisors (2108194).

4139222 is a wasteful number, since it uses less digits than its factorization.

4139222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12862.

The product of its digits is 864, while the sum is 23.

The square root of 4139222 is about 2034.5078028850. The cubic root of 4139222 is about 160.5608184284.

It can be divided in two parts, 41392 and 22, that added together give a palindrome (41414).

The spelling of 4139222 in words is "four million, one hundred thirty-nine thousand, two hundred twenty-two".