4427646223 has 24 divisors (see below), whose sum is σ = 6050978640. Its totient is φ = 3184715520.

The previous prime is 4427646199. The next prime is 4427646227. The reversal of 4427646223 is 3226467244.

It is a happy number.

It is a de Polignac number, because none of the positive numbers 2^k-4427646223 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4427646227) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 308938 + ... + 322951.

It is an arithmetic number, because the mean of its divisors is an integer number (252124110).

Almost surely, 2^4427646223 is an apocalyptic number.

4427646223 is a deficient number, since it is larger than the sum of its proper divisors (1623332417).

4427646223 is a wasteful number, since it uses less digits than its factorization.

4427646223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 631927 (or 631920 counting only the distinct ones).

The product of its digits is 387072, while the sum is 40.

The square root of 4427646223 is about 66540.5607355393. The cubic root of 4427646223 is about 1642.0673688795.

The spelling of 4427646223 in words is "four billion, four hundred twenty-seven million, six hundred forty-six thousand, two hundred twenty-three".