3221895 has 16 divisors (see below), whose sum is σ = 5178240. Its totient is φ = 1710624.

The previous prime is 3221819. The next prime is 3221899. The reversal of 3221895 is 5981223.

It is a happy number.

It is not a de Polignac number, because 3221895 - 2¹¹ = 3219847 is a prime.

3221895 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3221899) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4896 + ... + 5514.

It is an arithmetic number, because the mean of its divisors is an integer number (323640).

Almost surely, 2^3221895 is an apocalyptic number.

3221895 is a deficient number, since it is larger than the sum of its proper divisors (1956345).

3221895 is a wasteful number, since it uses less digits than its factorization.

3221895 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 974.

The product of its digits is 4320, while the sum is 30.

The square root of 3221895 is about 1794.9637879356. The cubic root of 3221895 is about 147.6965874369.

The spelling of 3221895 in words is "three million, two hundred twenty-one thousand, eight hundred ninety-five".