2272238897 has 2 divisors, whose sum is σ = 2272238898. Its totient is φ = 2272238896.

The previous prime is 2272238873. The next prime is 2272238929. The reversal of 2272238897 is 7988322722.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2265664801 + 6574096 = 47599^2 + 2564^2 .

It is a cyclic number.

It is not a de Polignac number, because 2272238897 - 2⁶ = 2272238833 is a prime.

It is not a weakly prime, because it can be changed into another prime (2272238497) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1136119448 + 1136119449.

It is an arithmetic number, because the mean of its divisors is an integer number (1136119449).

Almost surely, 2^2272238897 is an apocalyptic number.

It is an amenable number.

2272238897 is a deficient number, since it is larger than the sum of its proper divisors (1).

2272238897 is an equidigital number, since it uses as much as digits as its factorization.

2272238897 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1354752, while the sum is 50.

The square root of 2272238897 is about 47668.0070592426. The cubic root of 2272238897 is about 1314.6737656412.

The spelling of 2272238897 in words is "two billion, two hundred seventy-two million, two hundred thirty-eight thousand, eight hundred ninety-seven".