3037221 has 18 divisors (see below), whose sum is σ = 4823910. Its totient is φ = 1840080.

The previous prime is 3037217. The next prime is 3037231. The reversal of 3037221 is 1227303.

It can be written as a sum of positive squares in only one way, i.e., 2722500 + 314721 = 1650^2 + 561^2 .

It is not a de Polignac number, because 3037221 - 2² = 3037217 is a prime.

It is a super-2 number, since 2×3037221² = 18449422805682, which contains 22 as substring.

3037221 is a lucky number.

It is a junction number, because it is equal to n+sod(n) for n = 3037194 and 3037203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3037201) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 306 + ... + 2483.

It is an arithmetic number, because the mean of its divisors is an integer number (267995).

Almost surely, 2^3037221 is an apocalyptic number.

It is an amenable number.

3037221 is a deficient number, since it is larger than the sum of its proper divisors (1786689).

3037221 is a wasteful number, since it uses less digits than its factorization.

3037221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2817 (or 2803 counting only the distinct ones).

The product of its (nonzero) digits is 252, while the sum is 18.

The square root of 3037221 is about 1742.7624622994. The cubic root of 3037221 is about 144.8189734557.

The spelling of 3037221 in words is "three million, thirty-seven thousand, two hundred twenty-one".