3151222 has 8 divisors (see below), whose sum is σ = 5004936. Its totient is φ = 1482912.

The previous prime is 3151217. The next prime is 3151229. The reversal of 3151222 is 2221513.

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

It is a junction number, because it is equal to n+sod(n) for n = 3151196 and 3151205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3151229) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 46308 + ... + 46375.

It is an arithmetic number, because the mean of its divisors is an integer number (625617).

Almost surely, 2^3151222 is an apocalyptic number.

3151222 is a deficient number, since it is larger than the sum of its proper divisors (1853714).

3151222 is a wasteful number, since it uses less digits than its factorization.

3151222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 92702.

The product of its digits is 120, while the sum is 16.

The square root of 3151222 is about 1775.1681610484. The cubic root of 3151222 is about 146.6086742719.

Adding to 3151222 its reverse (2221513), we get a palindrome (5372735).

The spelling of 3151222 in words is "three million, one hundred fifty-one thousand, two hundred twenty-two".