7220498 has 8 divisors (see below), whose sum is σ = 10871820. Its totient is φ = 3596560.

The previous prime is 7220497. The next prime is 7220519. The reversal of 7220498 is 8940227.

It can be written as a sum of positive squares in 2 ways, for example, as 7219969 + 529 = 2687^2 + 23^2 .

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

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (7220491) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6173 + ... + 7248.

Almost surely, 2^7220498 is an apocalyptic number.

7220498 is a deficient number, since it is larger than the sum of its proper divisors (3651322).

7220498 is a wasteful number, since it uses less digits than its factorization.

7220498 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13692.

The product of its (nonzero) digits is 8064, while the sum is 32.

The square root of 7220498 is about 2687.0984351155. The cubic root of 7220498 is about 193.2809496076.

The spelling of 7220498 in words is "seven million, two hundred twenty thousand, four hundred ninety-eight".