7221201 has 12 divisors (see below), whose sum is σ = 10426608. Its totient is φ = 4443504.

The previous prime is 7221199. The next prime is 7221251. The reversal of 7221201 is 1021227.

It is not a de Polignac number, because 7221201 - 2¹ = 7221199 is a prime.

It is not an unprimeable number, because it can be changed into a prime (7221251) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6615 + ... + 7628.

It is an arithmetic number, because the mean of its divisors is an integer number (868884).

Almost surely, 2^7221201 is an apocalyptic number.

It is an amenable number.

7221201 is a deficient number, since it is larger than the sum of its proper divisors (3205407).

7221201 is a wasteful number, since it uses less digits than its factorization.

7221201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14272 (or 14259 counting only the distinct ones).

The product of its (nonzero) digits is 56, while the sum is 15.

The square root of 7221201 is about 2687.2292421749. The cubic root of 7221201 is about 193.2872221250.

Adding to 7221201 its reverse (1021227), we get a palindrome (8242428).

The spelling of 7221201 in words is "seven million, two hundred twenty-one thousand, two hundred one".