3220481 has 12 divisors (see below), whose sum is σ = 3712464. Its totient is φ = 2770200.

The previous prime is 3220471. The next prime is 3220499. The reversal of 3220481 is 1840223.

It is not a de Polignac number, because 3220481 - 2¹⁰ = 3219457 is a prime.

It is a super-2 number, since 2×3220481² = 20742995742722, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3220411) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3566 + ... + 4376.

It is an arithmetic number, because the mean of its divisors is an integer number (309372).

Almost surely, 2^3220481 is an apocalyptic number.

It is an amenable number.

3220481 is a deficient number, since it is larger than the sum of its proper divisors (491983).

3220481 is a wasteful number, since it uses less digits than its factorization.

3220481 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 860 (or 841 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 20.

The square root of 3220481 is about 1794.5698648980. The cubic root of 3220481 is about 147.6749776354.

The spelling of 3220481 in words is "three million, two hundred twenty thousand, four hundred eighty-one".