626144227 has 2 divisors, whose sum is σ = 626144228. Its totient is φ = 626144226.

The previous prime is 626144213. The next prime is 626144273. The reversal of 626144227 is 722441626.

626144227 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 is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-626144227 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 626144192 and 626144201.

It is not a weakly prime, because it can be changed into another prime (626141227) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 313072113 + 313072114.

It is an arithmetic number, because the mean of its divisors is an integer number (313072114).

Almost surely, 2^626144227 is an apocalyptic number.

626144227 is a deficient number, since it is larger than the sum of its proper divisors (1).

626144227 is an equidigital number, since it uses as much as digits as its factorization.

626144227 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 32256, while the sum is 34.

The square root of 626144227 is about 25022.8740755334. The cubic root of 626144227 is about 855.5094154280.

The spelling of 626144227 in words is "six hundred twenty-six million, one hundred forty-four thousand, two hundred twenty-seven".