888229009 has 4 divisors (see below), whose sum is σ = 889425216. Its totient is φ = 887032804.

The previous prime is 888228949. The next prime is 888229021. The reversal of 888229009 is 900922888.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 888229009 - 2¹⁷ = 888097937 is a prime.

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 888229009.

It is not an unprimeable number, because it can be changed into a prime (888220009) 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, 596989 + ... + 598474.

It is an arithmetic number, because the mean of its divisors is an integer number (222356304).

Almost surely, 2^888229009 is an apocalyptic number.

It is an amenable number.

888229009 is a deficient number, since it is larger than the sum of its proper divisors (1196207).

888229009 is a wasteful number, since it uses less digits than its factorization.

888229009 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1196206.

The product of its (nonzero) digits is 165888, while the sum is 46.

The square root of 888229009 is about 29803.1711232211. The cubic root of 888229009 is about 961.2617267660.

The spelling of 888229009 in words is "eight hundred eighty-eight million, two hundred twenty-nine thousand, nine".