3220450 has 24 divisors (see below), whose sum is σ = 6199380. Its totient is φ = 1243200.

The previous prime is 3220447. The next prime is 3220453. The reversal of 3220450 is 540223.

It is an interprime number because it is at equal distance from previous prime (3220447) and next prime (3220453).

It can be written as a sum of positive squares in 6 ways, for example, as 1485961 + 1734489 = 1219^2 + 1317^2 .

It is a plaindrome in base 13.

It is not an unprimeable number, because it can be changed into a prime (3220453) 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, 340 + ... + 2560.

Almost surely, 2^3220450 is an apocalyptic number.

3220450 is a deficient number, since it is larger than the sum of its proper divisors (2978930).

3220450 is a wasteful number, since it uses less digits than its factorization.

3220450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2262 (or 2257 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 16.

The square root of 3220450 is about 1794.5612277100. The cubic root of 3220450 is about 147.6745037995.

Adding to 3220450 its reverse (540223), we get a palindrome (3760673).

The spelling of 3220450 in words is "three million, two hundred twenty thousand, four hundred fifty".