3220415 has 12 divisors (see below), whose sum is σ = 4248552. Its totient is φ = 2341680.

The previous prime is 3220411. The next prime is 3220423. The reversal of 3220415 is 5140223.

It is not a de Polignac number, because 3220415 - 2² = 3220411 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 3220393 and 3220402.

It is a congruent number.

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

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2057 + ... + 3266.

It is an arithmetic number, because the mean of its divisors is an integer number (354046).

Almost surely, 2^3220415 is an apocalyptic number.

3220415 is a deficient number, since it is larger than the sum of its proper divisors (1028137).

3220415 is a wasteful number, since it uses less digits than its factorization.

3220415 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5350 (or 5339 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 17.

The square root of 3220415 is about 1794.5514759962. The cubic root of 3220415 is about 147.6739688198.

Adding to 3220415 its reverse (5140223), we get a palindrome (8360638).

The spelling of 3220415 in words is "three million, two hundred twenty thousand, four hundred fifteen".