2239999999 has 2 divisors, whose sum is σ = 2240000000. Its totient is φ = 2239999998.

The previous prime is 2239999997. The next prime is 2240000069. The reversal of 2239999999 is 9999999322.

It is an a-pointer prime, because the next prime (2240000069) can be obtained adding 2239999999 to its sum of digits (70).

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2239999999 - 2¹ = 2239999997 is a prime.

Together with 2239999997, it forms a pair of twin primes.

2239999999 is a modest number, since divided by 99999 gives 22399 as remainder.

It is a plaindrome in base 10.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2239999997) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1119999999 + 1120000000.

It is an arithmetic number, because the mean of its divisors is an integer number (1120000000).

Almost surely, 2^2239999999 is an apocalyptic number.

2239999999 is a deficient number, since it is larger than the sum of its proper divisors (1).

2239999999 is an equidigital number, since it uses as much as digits as its factorization.

2239999999 is an evil number, because the sum of its binary digits is even.

The product of its digits is 57395628, while the sum is 70.

The square root of 2239999999 is about 47328.6382542325. The cubic root of 2239999999 is about 1308.4265238807.

It can be divided in two parts, 22 and 39999999, that multiplied together give a palindrome (879999978).

The spelling of 2239999999 in words is "two billion, two hundred thirty-nine million, nine hundred ninety-nine thousand, nine hundred ninety-nine".