2243400931 has 2 divisors, whose sum is σ = 2243400932. Its totient is φ = 2243400930.

The previous prime is 2243400917. The next prime is 2243400949. The reversal of 2243400931 is 1390043422.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2243400931 - 2⁵ = 2243400899 is a prime.

It is a super-2 number, since 2×2243400931² = 10065695474423333522, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 2243400931.

It is not a weakly prime, because it can be changed into another prime (2243400961) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1121700465 + 1121700466.

It is an arithmetic number, because the mean of its divisors is an integer number (1121700466).

Almost surely, 2^2243400931 is an apocalyptic number.

2243400931 is a deficient number, since it is larger than the sum of its proper divisors (1).

2243400931 is an equidigital number, since it uses as much as digits as its factorization.

2243400931 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5184, while the sum is 28.

The square root of 2243400931 is about 47364.5535289841. The cubic root of 2243400931 is about 1309.0883720199.

The spelling of 2243400931 in words is "two billion, two hundred forty-three million, four hundred thousand, nine hundred thirty-one".