3158222 has 16 divisors (see below), whose sum is σ = 5018112. Its totient is φ = 1487640.

The previous prime is 3158213. The next prime is 3158227. The reversal of 3158222 is 2228513.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3158227) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2783 + ... + 3749.

It is an arithmetic number, because the mean of its divisors is an integer number (313632).

Almost surely, 2^3158222 is an apocalyptic number.

3158222 is a deficient number, since it is larger than the sum of its proper divisors (1859890).

3158222 is a wasteful number, since it uses less digits than its factorization.

3158222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1063.

The product of its digits is 960, while the sum is 23.

The square root of 3158222 is about 1777.1387115248. The cubic root of 3158222 is about 146.7171508944.

The spelling of 3158222 in words is "three million, one hundred fifty-eight thousand, two hundred twenty-two".