3220236 has 36 divisors (see below), whose sum is σ = 8444072. Its totient is φ = 1073088.

The previous prime is 3220219. The next prime is 3220267. The reversal of 3220236 is 6320223.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 685 + ... + 2628.

Almost surely, 2^3220236 is an apocalyptic number.

3220236 is a gapful number since it is divisible by the number (36) formed by its first and last digit.

It is an amenable number.

3220236 is an abundant number, since it is smaller than the sum of its proper divisors (5223836).

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

3220236 is a wasteful number, since it uses less digits than its factorization.

3220236 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3332 (or 3318 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 18.

The square root of 3220236 is about 1794.5016021169. The cubic root of 3220236 is about 147.6712327200.

Adding to 3220236 its reverse (6320223), we get a palindrome (9540459).

The spelling of 3220236 in words is "three million, two hundred twenty thousand, two hundred thirty-six".