2348221644 has 24 divisors (see below), whose sum is σ = 6087982320. Its totient is φ = 782740512.

The previous prime is 2348221643. The next prime is 2348221651. The reversal of 2348221644 is 4461228432.

2348221644 is a `hidden beast` number, since 2 + 3 + 4 + 8 + 2 + 2 + 1 + 644 = 666.

2348221644 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 2348221599 and 2348221608.

It is not an unprimeable number, because it can be changed into a prime (2348221643) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10871289 + ... + 10871504.

It is an arithmetic number, because the mean of its divisors is an integer number (253665930).

Almost surely, 2^2348221644 is an apocalyptic number.

It is an amenable number.

2348221644 is an abundant number, since it is smaller than the sum of its proper divisors (3739760676).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2348221644 is a wasteful number, since it uses less digits than its factorization.

2348221644 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21742806 (or 21742798 counting only the distinct ones).

The product of its digits is 73728, while the sum is 36.

The square root of 2348221644 is about 48458.4527611025. The cubic root of 2348221644 is about 1329.1674447237.

The spelling of 2348221644 in words is "two billion, three hundred forty-eight million, two hundred twenty-one thousand, six hundred forty-four".