2221760232 has 64 divisors (see below), whose sum is σ = 6184521600. Its totient is φ = 739031040.

The previous prime is 2221760221. The next prime is 2221760237. The reversal of 2221760232 is 2320671222.

2221760232 is a `hidden beast` number, since 2 + 2 + 21 + 7 + 602 + 32 = 666.

2221760232 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 (27).

It is a junction number, because it is equal to n+sod(n) for n = 2221760196 and 2221760205.

It is not an unprimeable number, because it can be changed into a prime (2221760237) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 94632 + ... + 115752.

It is an arithmetic number, because the mean of its divisors is an integer number (96633150).

Almost surely, 2^2221760232 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2221760232, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3092260800).

2221760232 is an abundant number, since it is smaller than the sum of its proper divisors (3962761368).

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

2221760232 is a wasteful number, since it uses less digits than its factorization.

2221760232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21623 (or 21613 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 27.

The square root of 2221760232 is about 47135.5516781124. The cubic root of 2221760232 is about 1304.8654425935.

The spelling of 2221760232 in words is "two billion, two hundred twenty-one million, seven hundred sixty thousand, two hundred thirty-two".