2229257986 has 8 divisors (see below), whose sum is σ = 3425445324. Its totient is φ = 1087442880.

The previous prime is 2229257983. The next prime is 2229258037. The reversal of 2229257986 is 6897529222.

It can be written as a sum of positive squares in 2 ways, for example, as 1564598025 + 664659961 = 39555^2 + 25781^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (2229257981) 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, 13592955 + ... + 13593118.

Almost surely, 2^2229257986 is an apocalyptic number.

2229257986 is a deficient number, since it is larger than the sum of its proper divisors (1196187338).

2229257986 is a wasteful number, since it uses less digits than its factorization.

2229257986 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27186116.

The product of its digits is 2177280, while the sum is 52.

The square root of 2229257986 is about 47215.0186487308. The cubic root of 2229257986 is about 1306.3316336855.

The spelling of 2229257986 in words is "two billion, two hundred twenty-nine million, two hundred fifty-seven thousand, nine hundred eighty-six".