2229991382 has 4 divisors (see below), whose sum is σ = 3344987076. Its totient is φ = 1114995690.

The previous prime is 2229991327. The next prime is 2229991391. The reversal of 2229991382 is 2831999222.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 557497844 + ... + 557497847.

It is an arithmetic number, because the mean of its divisors is an integer number (836246769).

Almost surely, 2^2229991382 is an apocalyptic number.

2229991382 is a deficient number, since it is larger than the sum of its proper divisors (1114995694).

2229991382 is a wasteful number, since it uses less digits than its factorization.

2229991382 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1114995693.

The product of its digits is 279936, while the sum is 47.

The square root of 2229991382 is about 47222.7845642334. The cubic root of 2229991382 is about 1306.4748731785.

The spelling of 2229991382 in words is "two billion, two hundred twenty-nine million, nine hundred ninety-one thousand, three hundred eighty-two".