3225074440 has 128 divisors (see below), whose sum is σ = 8763552000. Its totient is φ = 1043463168.

The previous prime is 3225074431. The next prime is 3225074483. The reversal of 3225074440 is 444705223.

It is a happy number.

It is a super-2 number, since 2×3225074440² = 20802210287082627200, 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 31 ways as a sum of consecutive naturals, for example, 1557726 + ... + 1559794.

It is an arithmetic number, because the mean of its divisors is an integer number (68465250).

Almost surely, 2^3225074440 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 3225074440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4381776000).

3225074440 is an abundant number, since it is smaller than the sum of its proper divisors (5538477560).

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

3225074440 is a wasteful number, since it uses less digits than its factorization.

3225074440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2399 (or 2395 counting only the distinct ones).

The product of its (nonzero) digits is 26880, while the sum is 31.

The square root of 3225074440 is about 56789.7388618754. The cubic root of 3225074440 is about 1477.4515492638.

Adding to 3225074440 its reverse (444705223), we get a palindrome (3669779663).

The spelling of 3225074440 in words is "three billion, two hundred twenty-five million, seventy-four thousand, four hundred forty".