2233132221 has 16 divisors (see below), whose sum is σ = 2997812160. Its totient is φ = 1478624640.

The previous prime is 2233132133. The next prime is 2233132277. The reversal of 2233132221 is 1222313322.

It is a happy number.

2233132221 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 2233132221 - 2⁷ = 2233132093 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2233132021) 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, 546241 + ... + 550313.

It is an arithmetic number, because the mean of its divisors is an integer number (187363260).

Almost surely, 2^2233132221 is an apocalyptic number.

It is an amenable number.

2233132221 is a deficient number, since it is larger than the sum of its proper divisors (764679939).

2233132221 is a wasteful number, since it uses less digits than its factorization.

2233132221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5276.

The product of its digits is 864, while the sum is 21.

The square root of 2233132221 is about 47256.0284090824. The cubic root of 2233132221 is about 1307.0879551061.

Adding to 2233132221 its reverse (1222313322), we get a palindrome (3455445543).

The spelling of 2233132221 in words is "two billion, two hundred thirty-three million, one hundred thirty-two thousand, two hundred twenty-one".