3774221 has 8 divisors (see below), whose sum is σ = 4359744. Its totient is φ = 3229120.

The previous prime is 3774203. The next prime is 3774227. The reversal of 3774221 is 1224773.

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

It is a cyclic number.

It is not a de Polignac number, because 3774221 - 2¹⁰ = 3773197 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3774227) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9905 + ... + 10278.

It is an arithmetic number, because the mean of its divisors is an integer number (544968).

Almost surely, 2^3774221 is an apocalyptic number.

It is an amenable number.

3774221 is a deficient number, since it is larger than the sum of its proper divisors (585523).

3774221 is a wasteful number, since it uses less digits than its factorization.

3774221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20211.

The product of its digits is 2352, while the sum is 26.

The square root of 3774221 is about 1942.7354426169. The cubic root of 3774221 is about 155.6953978477.

Adding to 3774221 its reverse (1224773), we get a palindrome (4998994).

The spelling of 3774221 in words is "three million, seven hundred seventy-four thousand, two hundred twenty-one".