3225557780 has 12 divisors (see below), whose sum is σ = 6773671380. Its totient is φ = 1290223104.

The previous prime is 3225557759. The next prime is 3225557791. The reversal of 3225557780 is 877555223.

It can be written as a sum of positive squares in 2 ways, for example, as 626801296 + 2598756484 = 25036^2 + 50978^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 80638925 + ... + 80638964.

It is an arithmetic number, because the mean of its divisors is an integer number (564472615).

Almost surely, 2^3225557780 is an apocalyptic number.

It is an amenable number.

3225557780 is an abundant number, since it is smaller than the sum of its proper divisors (3548113600).

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

3225557780 is a wasteful number, since it uses less digits than its factorization.

3225557780 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 161277898 (or 161277896 counting only the distinct ones).

The product of its (nonzero) digits is 588000, while the sum is 44.

The square root of 3225557780 is about 56793.9942247418. The cubic root of 3225557780 is about 1477.5253538403.

The spelling of 3225557780 in words is "three billion, two hundred twenty-five million, five hundred fifty-seven thousand, seven hundred eighty".