7223920422389 has 16 divisors (see below), whose sum is σ = 8093773758336. Its totient is φ = 6389595576000.

The previous prime is 7223920422371. The next prime is 7223920422461. The reversal of 7223920422389 is 9832240293227.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 7223920422389 - 2²⁸ = 7223651986933 is a prime.

It is a Smith number, since the sum of its digits (53) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 7223920422389.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7223920422289) 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, 30039344 + ... + 30278870.

It is an arithmetic number, because the mean of its divisors is an integer number (505860859896).

Almost surely, 2^{7223920422389} is an apocalyptic number.

It is an amenable number.

7223920422389 is a deficient number, since it is larger than the sum of its proper divisors (869853335947).

7223920422389 is a wasteful number, since it uses less digits than its factorization.

7223920422389 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 313676.

The product of its (nonzero) digits is 5225472, while the sum is 53.

The spelling of 7223920422389 in words is "seven trillion, two hundred twenty-three billion, nine hundred twenty million, four hundred twenty-two thousand, three hundred eighty-nine".