1332444220 has 24 divisors (see below), whose sum is σ = 2837546208. Its totient is φ = 525470400.

The previous prime is 1332444193. The next prime is 1332444229. The reversal of 1332444220 is 224442331.

It is a happy number.

It is a super-2 number, since 2×1332444220² = 3550815198822816800, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1332444229) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 467751 + ... + 470590.

It is an arithmetic number, because the mean of its divisors is an integer number (118231092).

Almost surely, 2^1332444220 is an apocalyptic number.

1332444220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1332444220 is an abundant number, since it is smaller than the sum of its proper divisors (1505101988).

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

1332444220 is a wasteful number, since it uses less digits than its factorization.

1332444220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 938421 (or 938419 counting only the distinct ones).

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

The square root of 1332444220 is about 36502.6604509863. The cubic root of 1332444220 is about 1100.3977129360.

Adding to 1332444220 its reverse (224442331), we get a palindrome (1556886551).

The spelling of 1332444220 in words is "one billion, three hundred thirty-two million, four hundred forty-four thousand, two hundred twenty".