2272977389 has 2 divisors, whose sum is σ = 2272977390. Its totient is φ = 2272977388.

The previous prime is 2272977383. The next prime is 2272977397. The reversal of 2272977389 is 9837792722.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1860196900 + 412780489 = 43130^2 + 20317^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2272977389 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2272977383) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1136488694 + 1136488695.

It is an arithmetic number, because the mean of its divisors is an integer number (1136488695).

Almost surely, 2^2272977389 is an apocalyptic number.

It is an amenable number.

2272977389 is a deficient number, since it is larger than the sum of its proper divisors (1).

2272977389 is an equidigital number, since it uses as much as digits as its factorization.

2272977389 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 5334336, while the sum is 56.

The square root of 2272977389 is about 47675.7526317100. The cubic root of 2272977389 is about 1314.8161759747.

The spelling of 2272977389 in words is "two billion, two hundred seventy-two million, nine hundred seventy-seven thousand, three hundred eighty-nine".