7287220635 has 16 divisors (see below), whose sum is σ = 11689535520. Its totient is φ = 3876523520.

The previous prime is 7287220631. The next prime is 7287220639. The reversal of 7287220635 is 5360227827.

7287220635 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (7287220631) and next prime (7287220639).

It is not a de Polignac number, because 7287220635 - 2² = 7287220631 is a prime.

It is not an unprimeable number, because it can be changed into a prime (7287220631) by changing a digit.

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, 618606 + ... + 630275.

It is an arithmetic number, because the mean of its divisors is an integer number (730595970).

Almost surely, 2^7287220635 is an apocalyptic number.

7287220635 is a deficient number, since it is larger than the sum of its proper divisors (4402314885).

7287220635 is a wasteful number, since it uses less digits than its factorization.

7287220635 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1249278.

The product of its (nonzero) digits is 282240, while the sum is 42.

The square root of 7287220635 is about 85365.2191176242. The cubic root of 7287220635 is about 1938.7447715835.

The spelling of 7287220635 in words is "seven billion, two hundred eighty-seven million, two hundred twenty thousand, six hundred thirty-five".