2227691393 has 2 divisors, whose sum is σ = 2227691394. Its totient is φ = 2227691392.

The previous prime is 2227691387. The next prime is 2227691413. The reversal of 2227691393 is 3931967222.

2227691393 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2157416704 + 70274689 = 46448^2 + 8383^2 .

It is a cyclic number.

It is not a de Polignac number, because 2227691393 - 2⁶ = 2227691329 is a prime.

It is not a weakly prime, because it can be changed into another prime (2227691303) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1113845696 + 1113845697.

It is an arithmetic number, because the mean of its divisors is an integer number (1113845697).

Almost surely, 2^2227691393 is an apocalyptic number.

It is an amenable number.

2227691393 is a deficient number, since it is larger than the sum of its proper divisors (1).

2227691393 is an equidigital number, since it uses as much as digits as its factorization.

2227691393 is an evil number, because the sum of its binary digits is even.

The product of its digits is 244944, while the sum is 44.

The square root of 2227691393 is about 47198.4257470522. The cubic root of 2227691393 is about 1306.0255573172.

The spelling of 2227691393 in words is "two billion, two hundred twenty-seven million, six hundred ninety-one thousand, three hundred ninety-three".