3220530 has 16 divisors (see below), whose sum is σ = 7729344. Its totient is φ = 858800.

The previous prime is 3220523. The next prime is 3220543. The reversal of 3220530 is 350223.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 53646 + ... + 53705.

It is an arithmetic number, because the mean of its divisors is an integer number (483084).

Almost surely, 2^3220530 is an apocalyptic number.

3220530 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

3220530 is an abundant number, since it is smaller than the sum of its proper divisors (4508814).

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

3220530 is a wasteful number, since it uses less digits than its factorization.

3220530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 107361.

The product of its (nonzero) digits is 180, while the sum is 15.

The square root of 3220530 is about 1794.5835171426. The cubic root of 3220530 is about 147.6757265957.

Adding to 3220530 its reverse (350223), we get a palindrome (3570753).

The spelling of 3220530 in words is "three million, two hundred twenty thousand, five hundred thirty".