3220737 has 16 divisors (see below), whose sum is σ = 4656960. Its totient is φ = 1968192.

The previous prime is 3220727. The next prime is 3220771. The reversal of 3220737 is 7370223.

It is not a de Polignac number, because 3220737 - 2¹⁵ = 3187969 is a prime.

It is a super-3 number, since 3×3220737³ (a number of 21 digits) contains 333 as substring.

3220737 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (3220727) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10338 + ... + 10644.

It is an arithmetic number, because the mean of its divisors is an integer number (291060).

Almost surely, 2^3220737 is an apocalyptic number.

It is an amenable number.

3220737 is a deficient number, since it is larger than the sum of its proper divisors (1436223).

3220737 is a wasteful number, since it uses less digits than its factorization.

3220737 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 592.

The product of its (nonzero) digits is 1764, while the sum is 24.

The square root of 3220737 is about 1794.6411897647. The cubic root of 3220737 is about 147.6788904870.

The spelling of 3220737 in words is "three million, two hundred twenty thousand, seven hundred thirty-seven".