3220887 has 8 divisors (see below), whose sum is σ = 4410736. Its totient is φ = 2089152.

The previous prime is 3220883. The next prime is 3220901. The reversal of 3220887 is 7880223.

3220887 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 3220887 - 2² = 3220883 is a prime.

It is a super-2 number, since 2×3220887² = 20748226133538, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3220883) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14398 + ... + 14619.

It is an arithmetic number, because the mean of its divisors is an integer number (551342).

Almost surely, 2^3220887 is an apocalyptic number.

3220887 is a gapful number since it is divisible by the number (37) formed by its first and last digit.

3220887 is a deficient number, since it is larger than the sum of its proper divisors (1189849).

3220887 is a wasteful number, since it uses less digits than its factorization.

3220887 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29057.

The product of its (nonzero) digits is 5376, while the sum is 30.

The square root of 3220887 is about 1794.6829803617. The cubic root of 3220887 is about 147.6811830772.

The spelling of 3220887 in words is "three million, two hundred twenty thousand, eight hundred eighty-seven".