1332421444 has 24 divisors (see below), whose sum is σ = 2529120888. Its totient is φ = 611727360.

The previous prime is 1332421439. The next prime is 1332421469. The reversal of 1332421444 is 4441242331.

It can be written as a sum of positive squares in 4 ways, for example, as 15602500 + 1316818944 = 3950^2 + 36288^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 236169 + ... + 241744.

It is an arithmetic number, because the mean of its divisors is an integer number (105380037).

Almost surely, 2^1332421444 is an apocalyptic number.

It is an amenable number.

1332421444 is a deficient number, since it is larger than the sum of its proper divisors (1196699444).

1332421444 is a wasteful number, since it uses less digits than its factorization.

1332421444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 477975 (or 477973 counting only the distinct ones).

The product of its digits is 9216, while the sum is 28.

The square root of 1332421444 is about 36502.3484723928. The cubic root of 1332421444 is about 1100.3914430547.

Adding to 1332421444 its reverse (4441242331), we get a palindrome (5773663775).

The spelling of 1332421444 in words is "one billion, three hundred thirty-two million, four hundred twenty-one thousand, four hundred forty-four".