2227946647 has 2 divisors, whose sum is σ = 2227946648. Its totient is φ = 2227946646.

The previous prime is 2227946629. The next prime is 2227946671. The reversal of 2227946647 is 7466497222.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2227946647 - 2¹⁵ = 2227913879 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2227946647.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2227946047) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1113973323 + 1113973324.

It is an arithmetic number, because the mean of its divisors is an integer number (1113973324).

Almost surely, 2^2227946647 is an apocalyptic number.

2227946647 is a deficient number, since it is larger than the sum of its proper divisors (1).

2227946647 is an equidigital number, since it uses as much as digits as its factorization.

2227946647 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2032128, while the sum is 49.

The square root of 2227946647 is about 47201.1297216497. The cubic root of 2227946647 is about 1306.0754378822.

It can be divided in two parts, 222794 and 6647, that added together give a square (229441 = 479²).

The spelling of 2227946647 in words is "two billion, two hundred twenty-seven million, nine hundred forty-six thousand, six hundred forty-seven".