7220072210 has 32 divisors (see below), whose sum is σ = 14819121072. Its totient is φ = 2509056000.

The previous prime is 7220072207. The next prime is 7220072231. The reversal of 7220072210 is 122700227.

7220072210 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 8 ways, for example, as 1959036121 + 5261036089 = 44261^2 + 72533^2 .

It is a super-2 number, since 2×7220072210² (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1631291 + ... + 1635710.

Almost surely, 2^7220072210 is an apocalyptic number.

7220072210 is an abundant number, since it is smaller than the sum of its proper divisors (7599048862).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

7220072210 is a wasteful number, since it uses less digits than its factorization.

7220072210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3267038.

The product of its (nonzero) digits is 784, while the sum is 23.

The square root of 7220072210 is about 84971.0080556892. The cubic root of 7220072210 is about 1932.7715029841.

Adding to 7220072210 its reverse (122700227), we get a palindrome (7342772437).

The spelling of 7220072210 in words is "seven billion, two hundred twenty million, seventy-two thousand, two hundred ten".