7224389923 has 4 divisors (see below), whose sum is σ = 7225070320. Its totient is φ = 7223709528.

The previous prime is 7224389911. The next prime is 7224389927. The reversal of 7224389923 is 3299834227.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-7224389923 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (7224389927) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 324015 + ... + 345592.

It is an arithmetic number, because the mean of its divisors is an integer number (1806267580).

Almost surely, 2^7224389923 is an apocalyptic number.

7224389923 is a deficient number, since it is larger than the sum of its proper divisors (680397).

7224389923 is a wasteful number, since it uses less digits than its factorization.

7224389923 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 680396.

The product of its digits is 1306368, while the sum is 49.

The square root of 7224389923 is about 84996.4112360045. The cubic root of 7224389923 is about 1933.1567017949.

The spelling of 7224389923 in words is "seven billion, two hundred twenty-four million, three hundred eighty-nine thousand, nine hundred twenty-three".