2243954971 has 2 divisors, whose sum is σ = 2243954972. Its totient is φ = 2243954970.

The previous prime is 2243954941. The next prime is 2243955019. The reversal of 2243954971 is 1794593422.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2243954971 - 2⁵ = 2243954939 is a prime.

It is a super-2 number, since 2×2243954971² = 10070667823751221682, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (2243954941) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1121977485 + 1121977486.

It is an arithmetic number, because the mean of its divisors is an integer number (1121977486).

Almost surely, 2^2243954971 is an apocalyptic number.

2243954971 is a deficient number, since it is larger than the sum of its proper divisors (1).

2243954971 is an equidigital number, since it uses as much as digits as its factorization.

2243954971 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 544320, while the sum is 46.

The square root of 2243954971 is about 47370.4018454562. The cubic root of 2243954971 is about 1309.1961291923.

The spelling of 2243954971 in words is "two billion, two hundred forty-three million, nine hundred fifty-four thousand, nine hundred seventy-one".