7228799889 has 16 divisors (see below), whose sum is σ = 9692121600. Its totient is φ = 4792386816.

The previous prime is 7228799863. The next prime is 7228799911. The reversal of 7228799889 is 9889978227.

It is not a de Polignac number, because 7228799889 - 2¹¹ = 7228797841 is a prime.

It is not an unprimeable number, because it can be changed into a prime (7228799819) 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, 669667 + ... + 680375.

It is an arithmetic number, because the mean of its divisors is an integer number (605757600).

Almost surely, 2^7228799889 is an apocalyptic number.

It is an amenable number.

7228799889 is a deficient number, since it is larger than the sum of its proper divisors (2463321711).

7228799889 is a wasteful number, since it uses less digits than its factorization.

7228799889 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11944.

The product of its digits is 73156608, while the sum is 69.

The square root of 7228799889 is about 85022.3493500385. The cubic root of 7228799889 is about 1933.5499724306.

The spelling of 7228799889 in words is "seven billion, two hundred twenty-eight million, seven hundred ninety-nine thousand, eight hundred eighty-nine".