7225210 has 8 divisors (see below), whose sum is σ = 13005396. Its totient is φ = 2890080.

The previous prime is 7225193. The next prime is 7225217. The reversal of 7225210 is 125227.

It can be written as a sum of positive squares in 2 ways, for example, as 6953769 + 271441 = 2637^2 + 521^2 .

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

It is not an unprimeable number, because it can be changed into a prime (7225217) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 361251 + ... + 361270.

Almost surely, 2^7225210 is an apocalyptic number.

7225210 is a deficient number, since it is larger than the sum of its proper divisors (5780186).

7225210 is a wasteful number, since it uses less digits than its factorization.

7225210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 722528.

The product of its (nonzero) digits is 280, while the sum is 19.

The square root of 7225210 is about 2687.9750742892. The cubic root of 7225210 is about 193.3229846489.

The spelling of 7225210 in words is "seven million, two hundred twenty-five thousand, two hundred ten".