7032221 has 8 divisors (see below), whose sum is σ = 8091264. Its totient is φ = 5986800.

The previous prime is 7032217. The next prime is 7032229. The reversal of 7032221 is 1222307.

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 7032221 - 2² = 7032217 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 7032221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7032229) 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, 2270 + ... + 4383.

It is an arithmetic number, because the mean of its divisors is an integer number (1011408).

Almost surely, 2^7032221 is an apocalyptic number.

It is an amenable number.

7032221 is a deficient number, since it is larger than the sum of its proper divisors (1059043).

7032221 is a wasteful number, since it uses less digits than its factorization.

7032221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6811.

The product of its (nonzero) digits is 168, while the sum is 17.

The square root of 7032221 is about 2651.8335166447. The cubic root of 7032221 is about 191.5861764949.

Adding to 7032221 its reverse (1222307), we get a palindrome (8254528).

The spelling of 7032221 in words is "seven million, thirty-two thousand, two hundred twenty-one".