3220147 has 8 divisors (see below), whose sum is σ = 3779936. Its totient is φ = 2685312.

The previous prime is 3220127. The next prime is 3220153. The reversal of 3220147 is 7410223.

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

It is a de Polignac number, because none of the positive numbers 2^k-3220147 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3220117) 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, 5958 + ... + 6475.

It is an arithmetic number, because the mean of its divisors is an integer number (472492).

Almost surely, 2^3220147 is an apocalyptic number.

3220147 is a gapful number since it is divisible by the number (37) formed by its first and last digit.

3220147 is a deficient number, since it is larger than the sum of its proper divisors (559789).

3220147 is a wasteful number, since it uses less digits than its factorization.

3220147 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12477.

The product of its (nonzero) digits is 336, while the sum is 19.

The square root of 3220147 is about 1794.4768039738. The cubic root of 3220147 is about 147.6698722751.

The spelling of 3220147 in words is "three million, two hundred twenty thousand, one hundred forty-seven".