7221010 has 16 divisors (see below), whose sum is σ = 13219200. Its totient is φ = 2839216.

The previous prime is 7220999. The next prime is 7221013. The reversal of 7221010 is 101227.

It is not an unprimeable number, because it can be changed into a prime (7221013) 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, 5530 + ... + 6709.

It is an arithmetic number, because the mean of its divisors is an integer number (826200).

Almost surely, 2^7221010 is an apocalyptic number.

7221010 is a deficient number, since it is larger than the sum of its proper divisors (5998190).

7221010 is a wasteful number, since it uses less digits than its factorization.

7221010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12305.

The product of its (nonzero) digits is 28, while the sum is 13.

The square root of 7221010 is about 2687.1937034758. The cubic root of 7221010 is about 193.2855179678.

Adding to 7221010 its reverse (101227), we get a palindrome (7322237).

The spelling of 7221010 in words is "seven million, two hundred twenty-one thousand, ten".