7224157564 has 24 divisors (see below), whose sum is σ = 13625545248. Its totient is φ = 3331584960.

The previous prime is 7224157543. The next prime is 7224157579. The reversal of 7224157564 is 4657514227.

It is a self number, because there is not a number n which added to its sum of digits gives 7224157564.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12009 + ... + 120799.

It is an arithmetic number, because the mean of its divisors is an integer number (567731052).

Almost surely, 2^7224157564 is an apocalyptic number.

It is an amenable number.

7224157564 is a deficient number, since it is larger than the sum of its proper divisors (6401387684).

7224157564 is a wasteful number, since it uses less digits than its factorization.

7224157564 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 110085 (or 110083 counting only the distinct ones).

The product of its digits is 470400, while the sum is 43.

The square root of 7224157564 is about 84995.0443496561. The cubic root of 7224157564 is about 1933.1359761153.

The spelling of 7224157564 in words is "seven billion, two hundred twenty-four million, one hundred fifty-seven thousand, five hundred sixty-four".