4228847631 has 24 divisors (see below), whose sum is σ = 6573690864. Its totient is φ = 2609890560.

The previous prime is 4228847627. The next prime is 4228847633. The reversal of 4228847631 is 1367488224.

It is a happy number.

4228847631 is a `hidden beast` number, since 4 + 2 + 2 + 8 + 8 + 4 + 7 + 631 = 666.

4228847631 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 4228847631 - 2² = 4228847627 is a prime.

It is a super-2 number, since 2×4228847631² = 35766304572428624322, which contains 22 as substring.

It is a zygodrome in base 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4228847633) 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, 217221 + ... + 235886.

It is an arithmetic number, because the mean of its divisors is an integer number (273903786).

Almost surely, 2^4228847631 is an apocalyptic number.

4228847631 is a deficient number, since it is larger than the sum of its proper divisors (2344843233).

4228847631 is a wasteful number, since it uses less digits than its factorization.

4228847631 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 453191 (or 453188 counting only the distinct ones).

The product of its digits is 516096, while the sum is 45.

The square root of 4228847631 is about 65029.5904262052. The cubic root of 4228847631 is about 1617.1141569522.

The spelling of 4228847631 in words is "four billion, two hundred twenty-eight million, eight hundred forty-seven thousand, six hundred thirty-one".