2421664227 has 48 divisors (see below), whose sum is σ = 3811579200. Its totient is φ = 1476921600.

The previous prime is 2421664211. The next prime is 2421664243. The reversal of 2421664227 is 7224661242.

2421664227 is a `hidden beast` number, since 2 + 4 + 2 + 1 + 6 + 642 + 2 + 7 = 666.

2421664227 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (2421664211) and next prime (2421664243).

It is not a de Polignac number, because 2421664227 - 2⁴ = 2421664211 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2421664191 and 2421664200.

It is not an unprimeable number, because it can be changed into a prime (2421664277) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 652477 + ... + 656177.

It is an arithmetic number, because the mean of its divisors is an integer number (79407900).

Almost surely, 2^2421664227 is an apocalyptic number.

2421664227 is a deficient number, since it is larger than the sum of its proper divisors (1389914973).

2421664227 is a wasteful number, since it uses less digits than its factorization.

2421664227 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3868 (or 3865 counting only the distinct ones).

The product of its digits is 64512, while the sum is 36.

The square root of 2421664227 is about 49210.4077101582. The cubic root of 2421664227 is about 1342.8823799720.

The spelling of 2421664227 in words is "two billion, four hundred twenty-one million, six hundred sixty-four thousand, two hundred twenty-seven".