2271445951 has 2 divisors, whose sum is σ = 2271445952. Its totient is φ = 2271445950.

The previous prime is 2271445933. The next prime is 2271445997. The reversal of 2271445951 is 1595441722.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2271445951 - 2⁹ = 2271445439 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2271445921) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1135722975 + 1135722976.

It is an arithmetic number, because the mean of its divisors is an integer number (1135722976).

Almost surely, 2^2271445951 is an apocalyptic number.

2271445951 is a deficient number, since it is larger than the sum of its proper divisors (1).

2271445951 is an equidigital number, since it uses as much as digits as its factorization.

2271445951 is an evil number, because the sum of its binary digits is even.

The product of its digits is 100800, while the sum is 40.

The square root of 2271445951 is about 47659.6889519854. The cubic root of 2271445951 is about 1314.5208200755.

The spelling of 2271445951 in words is "two billion, two hundred seventy-one million, four hundred forty-five thousand, nine hundred fifty-one".