2227239943 has 2 divisors, whose sum is σ = 2227239944. Its totient is φ = 2227239942.

The previous prime is 2227239941. The next prime is 2227239977. The reversal of 2227239943 is 3499327222.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2227239943 - 2¹ = 2227239941 is a prime.

Together with 2227239941, it forms a pair of twin primes.

It is a self number, because there is not a number n which added to its sum of digits gives 2227239943.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2227239941) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1113619971 + 1113619972.

It is an arithmetic number, because the mean of its divisors is an integer number (1113619972).

Almost surely, 2^2227239943 is an apocalyptic number.

2227239943 is a deficient number, since it is larger than the sum of its proper divisors (1).

2227239943 is an equidigital number, since it uses as much as digits as its factorization.

2227239943 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 326592, while the sum is 43.

The square root of 2227239943 is about 47193.6430359005. The cubic root of 2227239943 is about 1305.9373277008.

The spelling of 2227239943 in words is "two billion, two hundred twenty-seven million, two hundred thirty-nine thousand, nine hundred forty-three".