1332021444 has 24 divisors (see below), whose sum is σ = 3347131200. Its totient is φ = 409852704.

The previous prime is 1332021443. The next prime is 1332021469. The reversal of 1332021444 is 4441202331.

It is a super-2 number, since 2×1332021444² = 3548562254551690272, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1332021443) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 4269144 + ... + 4269455.

It is an arithmetic number, because the mean of its divisors is an integer number (139463800).

Almost surely, 2^1332021444 is an apocalyptic number.

It is an amenable number.

1332021444 is an abundant number, since it is smaller than the sum of its proper divisors (2015109756).

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

1332021444 is a wasteful number, since it uses less digits than its factorization.

1332021444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8538619 (or 8538617 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 24.

The square root of 1332021444 is about 36496.8689615972. The cubic root of 1332021444 is about 1100.2813175805.

Adding to 1332021444 its reverse (4441202331), we get a palindrome (5773223775).

The spelling of 1332021444 in words is "one billion, three hundred thirty-two million, twenty-one thousand, four hundred forty-four".