2272339397 has 2 divisors, whose sum is σ = 2272339398. Its totient is φ = 2272339396.

The previous prime is 2272339373. The next prime is 2272339471. The reversal of 2272339397 is 7939332722.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1942517476 + 329821921 = 44074^2 + 18161^2 .

It is a cyclic number.

It is not a de Polignac number, because 2272339397 - 2⁸ = 2272339141 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2272339327) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1136169698 + 1136169699.

It is an arithmetic number, because the mean of its divisors is an integer number (1136169699).

Almost surely, 2^2272339397 is an apocalyptic number.

It is an amenable number.

2272339397 is a deficient number, since it is larger than the sum of its proper divisors (1).

2272339397 is an equidigital number, since it uses as much as digits as its factorization.

2272339397 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 857304, while the sum is 47.

The square root of 2272339397 is about 47669.0612137474. The cubic root of 2272339397 is about 1314.6931478118.

The spelling of 2272339397 in words is "two billion, two hundred seventy-two million, three hundred thirty-nine thousand, three hundred ninety-seven".