2272345771 has 2 divisors, whose sum is σ = 2272345772. Its totient is φ = 2272345770.

The previous prime is 2272345753. The next prime is 2272345799. The reversal of 2272345771 is 1775432722.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2272345771 - 2⁵ = 2272345739 is a prime.

It is not a weakly prime, because it can be changed into another prime (2272345741) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1136172885 + 1136172886.

It is an arithmetic number, because the mean of its divisors is an integer number (1136172886).

Almost surely, 2^2272345771 is an apocalyptic number.

2272345771 is a deficient number, since it is larger than the sum of its proper divisors (1).

2272345771 is an equidigital number, since it uses as much as digits as its factorization.

2272345771 is an evil number, because the sum of its binary digits is even.

The product of its digits is 164640, while the sum is 40.

The square root of 2272345771 is about 47669.1280704818. The cubic root of 2272345771 is about 1314.6943770657.

The spelling of 2272345771 in words is "two billion, two hundred seventy-two million, three hundred forty-five thousand, seven hundred seventy-one".