7368221 has 8 divisors (see below), whose sum is σ = 8516160. Its totient is φ = 6244128.

The previous prime is 7368209. The next prime is 7368223. The reversal of 7368221 is 1228637.

It is a happy number.

7368221 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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 7368221 - 2¹⁰ = 7367197 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 (7368223) 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, 5291 + ... + 6536.

It is an arithmetic number, because the mean of its divisors is an integer number (1064520).

Almost surely, 2^7368221 is an apocalyptic number.

It is an amenable number.

7368221 is a deficient number, since it is larger than the sum of its proper divisors (1147939).

7368221 is a wasteful number, since it uses less digits than its factorization.

7368221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11923.

The product of its digits is 4032, while the sum is 29.

The square root of 7368221 is about 2714.4467207886. The cubic root of 7368221 is about 194.5901626856.

The spelling of 7368221 in words is "seven million, three hundred sixty-eight thousand, two hundred twenty-one".