7224986643 has 16 divisors (see below), whose sum is σ = 11234188800. Its totient is φ = 4128563208.

The previous prime is 7224986617. The next prime is 7224986669. The reversal of 7224986643 is 3466894227.

It is an interprime number because it is at equal distance from previous prime (7224986617) and next prime (7224986669).

It is not a de Polignac number, because 7224986643 - 2²⁰ = 7223938067 is a prime.

It is not an unprimeable number, because it can be changed into a prime (7224986843) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3509655 + ... + 3511712.

It is an arithmetic number, because the mean of its divisors is an integer number (702136800).

Almost surely, 2^7224986643 is an apocalyptic number.

7224986643 is a deficient number, since it is larger than the sum of its proper divisors (4009202157).

7224986643 is an equidigital number, since it uses as much as digits as its factorization.

7224986643 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7021391 (or 7021377 counting only the distinct ones).

The product of its digits is 3483648, while the sum is 51.

The square root of 7224986643 is about 84999.9214293755. The cubic root of 7224986643 is about 1933.2099252745.

The spelling of 7224986643 in words is "seven billion, two hundred twenty-four million, nine hundred eighty-six thousand, six hundred forty-three".