3220142 has 8 divisors (see below), whose sum is σ = 4843800. Its totient is φ = 1605544.

The previous prime is 3220127. The next prime is 3220153. The reversal of 3220142 is 2410223.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1292 + ... + 2847.

It is an arithmetic number, because the mean of its divisors is an integer number (605475).

Almost surely, 2^3220142 is an apocalyptic number.

3220142 is a deficient number, since it is larger than the sum of its proper divisors (1623658).

3220142 is a wasteful number, since it uses less digits than its factorization.

3220142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4530.

The product of its (nonzero) digits is 96, while the sum is 14.

The square root of 3220142 is about 1794.4754108095. The cubic root of 3220142 is about 147.6697958449.

Adding to 3220142 its reverse (2410223), we get a palindrome (5630365).

The spelling of 3220142 in words is "three million, two hundred twenty thousand, one hundred forty-two".