3250221 has 8 divisors (see below), whose sum is σ = 4667040. Its totient is φ = 2000112.

The previous prime is 3250211. The next prime is 3250223. The reversal of 3250221 is 1220523.

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

It is not a de Polignac number, because 3250221 - 2⁵ = 3250189 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 3250221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3250223) 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, 41631 + ... + 41708.

It is an arithmetic number, because the mean of its divisors is an integer number (583380).

Almost surely, 2^3250221 is an apocalyptic number.

It is an amenable number.

3250221 is a deficient number, since it is larger than the sum of its proper divisors (1416819).

3250221 is a wasteful number, since it uses less digits than its factorization.

3250221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 83355.

The product of its (nonzero) digits is 120, while the sum is 15.

The square root of 3250221 is about 1802.8369310617. The cubic root of 3250221 is about 148.1281608398.

Adding to 3250221 its reverse (1220523), we get a palindrome (4470744).

It can be divided in two parts, 32502 and 21, that added together give a palindrome (32523).

The spelling of 3250221 in words is "three million, two hundred fifty thousand, two hundred twenty-one".