2221442332 has 12 divisors (see below), whose sum is σ = 3890246976. Its totient is φ = 1109943200.

The previous prime is 2221442257. The next prime is 2221442339. The reversal of 2221442332 is 2332441222.

It is a junction number, because it is equal to n+sod(n) for n = 2221442297 and 2221442306.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2221442339) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 188044 + ... + 199507.

It is an arithmetic number, because the mean of its divisors is an integer number (324187248).

Almost surely, 2^2221442332 is an apocalyptic number.

It is an amenable number.

2221442332 is a deficient number, since it is larger than the sum of its proper divisors (1668804644).

2221442332 is a wasteful number, since it uses less digits than its factorization.

2221442332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 388988 (or 388986 counting only the distinct ones).

The product of its digits is 4608, while the sum is 25.

The square root of 2221442332 is about 47132.1793682405. The cubic root of 2221442332 is about 1304.8032041779.

Adding to 2221442332 its reverse (2332441222), we get a palindrome (4553883554).

It can be divided in two parts, 22214 and 42332, that added together give a palindrome (64546).

The spelling of 2221442332 in words is "two billion, two hundred twenty-one million, four hundred forty-two thousand, three hundred thirty-two".