2229639388 has 24 divisors (see below), whose sum is σ = 4037950224. Its totient is φ = 1076400000.

The previous prime is 2229639371. The next prime is 2229639407. The reversal of 2229639388 is 8839369222.

It is a happy number.

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, 38113 + ... + 76888.

It is an arithmetic number, because the mean of its divisors is an integer number (168247926).

Almost surely, 2^2229639388 is an apocalyptic number.

It is an amenable number.

2229639388 is a deficient number, since it is larger than the sum of its proper divisors (1808310836).

2229639388 is a wasteful number, since it uses less digits than its factorization.

2229639388 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 115173 (or 115171 counting only the distinct ones).

The product of its digits is 2239488, while the sum is 52.

The square root of 2229639388 is about 47219.0574662392. The cubic root of 2229639388 is about 1306.4061291887.

The spelling of 2229639388 in words is "two billion, two hundred twenty-nine million, six hundred thirty-nine thousand, three hundred eighty-eight".