7220098 has 8 divisors (see below), whose sum is σ = 10942092. Its totient is φ = 3572736.

The previous prime is 7220089. The next prime is 7220107. The reversal of 7220098 is 8900227.

It is an interprime number because it is at equal distance from previous prime (7220089) and next prime (7220107).

It can be written as a sum of positive squares in 2 ways, for example, as 7198489 + 21609 = 2683^2 + 147^2 .

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

It is an unprimeable number.

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, 18415 + ... + 18802.

Almost surely, 2^7220098 is an apocalyptic number.

7220098 is a deficient number, since it is larger than the sum of its proper divisors (3721994).

7220098 is a wasteful number, since it uses less digits than its factorization.

7220098 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37316.

The product of its (nonzero) digits is 2016, while the sum is 28.

The square root of 7220098 is about 2687.0240043587. The cubic root of 7220098 is about 193.2773804259.

It can be divided in two parts, 72200 and 98, that multiplied together give a square (7075600 = 2660²).

The spelling of 7220098 in words is "seven million, two hundred twenty thousand, ninety-eight".