3741221 has 4 divisors (see below), whose sum is σ = 4081344. Its totient is φ = 3401100.

The previous prime is 3741211. The next prime is 3741223. The reversal of 3741221 is 1221473.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 1221473 = 11 ⋅111043.

It is a cyclic number.

It is not a de Polignac number, because 3741221 - 2¹⁰ = 3740197 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 3741193 and 3741202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3741223) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 170045 + ... + 170066.

It is an arithmetic number, because the mean of its divisors is an integer number (1020336).

Almost surely, 2^3741221 is an apocalyptic number.

It is an amenable number.

3741221 is a deficient number, since it is larger than the sum of its proper divisors (340123).

3741221 is a wasteful number, since it uses less digits than its factorization.

3741221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 340122.

The product of its digits is 336, while the sum is 20.

The square root of 3741221 is about 1934.2236168551. The cubic root of 3741221 is about 155.2402932588.

Adding to 3741221 its reverse (1221473), we get a palindrome (4962694).

It can be divided in two parts, 374 and 1221, that multiplied together give a palindrome (456654).

The spelling of 3741221 in words is "three million, seven hundred forty-one thousand, two hundred twenty-one".