2272230091 has 2 divisors, whose sum is σ = 2272230092. Its totient is φ = 2272230090.

The previous prime is 2272230043. The next prime is 2272230101. The reversal of 2272230091 is 1900322722.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2272230091 - 2¹³ = 2272221899 is a prime.

It is not a weakly prime, because it can be changed into another prime (2272234091) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1136115045 + 1136115046.

It is an arithmetic number, because the mean of its divisors is an integer number (1136115046).

Almost surely, 2^2272230091 is an apocalyptic number.

2272230091 is a deficient number, since it is larger than the sum of its proper divisors (1).

2272230091 is an equidigital number, since it uses as much as digits as its factorization.

2272230091 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3024, while the sum is 28.

The square root of 2272230091 is about 47667.9146911211. The cubic root of 2272230091 is about 1314.6720673116.

The spelling of 2272230091 in words is "two billion, two hundred seventy-two million, two hundred thirty thousand, ninety-one".