2272397 has 2 divisors, whose sum is σ = 2272398. Its totient is φ = 2272396.

The previous prime is 2272379. The next prime is 2272409. The reversal of 2272397 is 7932722.

Together with previous prime (2272379) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1590121 + 682276 = 1261^2 + 826^2 .

It is a cyclic number.

It is not a de Polignac number, because 2272397 - 2⁸ = 2272141 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2272337) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1136198 + 1136199.

It is an arithmetic number, because the mean of its divisors is an integer number (1136199).

2^2272397 is an apocalyptic number.

It is an amenable number.

2272397 is a deficient number, since it is larger than the sum of its proper divisors (1).

2272397 is an equidigital number, since it uses as much as digits as its factorization.

2272397 is an evil number, because the sum of its binary digits is even.

The product of its digits is 10584, while the sum is 32.

The square root of 2272397 is about 1507.4471798375. The cubic root of 2272397 is about 131.4704256720.

The spelling of 2272397 in words is "two million, two hundred seventy-two thousand, three hundred ninety-seven".