3132221440 has 192 divisors, whose sum is σ = 8385249600. Its totient is φ = 1115947008.

The previous prime is 3132221419. The next prime is 3132221453. The reversal of 3132221440 is 441222313.

It is a super-2 number, since 2×3132221440² = 19621622298391347200, which contains 22 as substring.

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 15 ways as a sum of consecutive naturals, for example, 3307047 + ... + 3307993.

It is an arithmetic number, because the mean of its divisors is an integer number (43673175).

Almost surely, 2^3132221440 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3132221440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4192624800).

3132221440 is an abundant number, since it is smaller than the sum of its proper divisors (5253028160).

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

3132221440 is a wasteful number, since it uses less digits than its factorization.

3132221440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1010 (or 990 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 22.

The square root of 3132221440 is about 55966.2526885622. The cubic root of 3132221440 is about 1463.1341690755.

Adding to 3132221440 its reverse (441222313), we get a palindrome (3573443753).

The spelling of 3132221440 in words is "three billion, one hundred thirty-two million, two hundred twenty-one thousand, four hundred forty".