3229220 has 12 divisors (see below), whose sum is σ = 6781404. Its totient is φ = 1291680.

The previous prime is 3229207. The next prime is 3229231. The reversal of 3229220 is 229223.

It can be written as a sum of positive squares in 2 ways, for example, as 937024 + 2292196 = 968^2 + 1514^2 .

It is a Harshad number since it is a multiple of its sum of digits (20), and also a Moran number because the ratio is a prime number: 161461 = 3229220 / (3 + 2 + 2 + 9 + 2 + 2 + 0).

It is a junction number, because it is equal to n+sod(n) for n = 3229192 and 3229201.

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, 80711 + ... + 80750.

It is an arithmetic number, because the mean of its divisors is an integer number (565117).

Almost surely, 2^3229220 is an apocalyptic number.

It is an amenable number.

3229220 is an abundant number, since it is smaller than the sum of its proper divisors (3552184).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3229220 is a wasteful number, since it uses less digits than its factorization.

3229220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 161470 (or 161468 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 20.

The square root of 3229220 is about 1797.0030606540. The cubic root of 3229220 is about 147.8084324486.

The spelling of 3229220 in words is "three million, two hundred twenty-nine thousand, two hundred twenty".