3142221 has 8 divisors (see below), whose sum is σ = 4230720. Its totient is φ = 2074272.

The previous prime is 3142219. The next prime is 3142231. The reversal of 3142221 is 1222413.

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

It is not a de Polignac number, because 3142221 - 2¹ = 3142219 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 3142221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3142231) 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, 4776 + ... + 5393.

It is an arithmetic number, because the mean of its divisors is an integer number (528840).

Almost surely, 2^3142221 is an apocalyptic number.

It is an amenable number.

3142221 is a deficient number, since it is larger than the sum of its proper divisors (1088499).

3142221 is a wasteful number, since it uses less digits than its factorization.

3142221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10275.

The product of its digits is 96, while the sum is 15.

The square root of 3142221 is about 1772.6310952931. The cubic root of 3142221 is about 146.4689524844.

Adding to 3142221 its reverse (1222413), we get a palindrome (4364634).

The spelling of 3142221 in words is "three million, one hundred forty-two thousand, two hundred twenty-one".