2272858891 has 2 divisors, whose sum is σ = 2272858892. Its totient is φ = 2272858890.

The previous prime is 2272858879. The next prime is 2272858937. The reversal of 2272858891 is 1988582722.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2272858891 - 2¹¹ = 2272856843 is a prime.

It is not a weakly prime, because it can be changed into another prime (2272858871) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1136429445 + 1136429446.

It is an arithmetic number, because the mean of its divisors is an integer number (1136429446).

Almost surely, 2^2272858891 is an apocalyptic number.

2272858891 is a deficient number, since it is larger than the sum of its proper divisors (1).

2272858891 is an equidigital number, since it uses as much as digits as its factorization.

2272858891 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1290240, while the sum is 52.

The square root of 2272858891 is about 47674.5098663846. The cubic root of 2272858891 is about 1314.7933269727.

The spelling of 2272858891 in words is "two billion, two hundred seventy-two million, eight hundred fifty-eight thousand, eight hundred ninety-one".