244421332 has 12 divisors (see below), whose sum is σ = 427868980. Its totient is φ = 122173056.

The previous prime is 244421321. The next prime is 244421341. The reversal of 244421332 is 233124442.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 141276996 + 103144336 = 11886^2 + 10156^2 .

It is a junction number, because it is equal to n+sod(n) for n = 244421297 and 244421306.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9394 + ... + 24022.

Almost surely, 2^244421332 is an apocalyptic number.

It is an amenable number.

244421332 is a deficient number, since it is larger than the sum of its proper divisors (183447648).

244421332 is a wasteful number, since it uses less digits than its factorization.

244421332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18810 (or 18808 counting only the distinct ones).

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

The square root of 244421332 is about 15633.9800434822. The cubic root of 244421332 is about 625.2394448941.

Adding to 244421332 its reverse (233124442), we get a palindrome (477545774).

The spelling of 244421332 in words is "two hundred forty-four million, four hundred twenty-one thousand, three hundred thirty-two".