3225555078 has 32 divisors (see below), whose sum is σ = 6924172896. Its totient is φ = 998074368.

The previous prime is 3225555077. The next prime is 3225555139. The reversal of 3225555078 is 8705555223.

It is a happy number.

It is a super-2 number, since 2×3225555078² = 20808411122423172168, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3225555077) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 209151 + ... + 224042.

It is an arithmetic number, because the mean of its divisors is an integer number (216380403).

Almost surely, 2^3225555078 is an apocalyptic number.

3225555078 is an abundant number, since it is smaller than the sum of its proper divisors (3698617818).

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

3225555078 is a wasteful number, since it uses less digits than its factorization.

3225555078 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 433288.

The product of its (nonzero) digits is 420000, while the sum is 42.

The square root of 3225555078 is about 56793.9704370103. The cubic root of 3225555078 is about 1477.5249412735.

The spelling of 3225555078 in words is "three billion, two hundred twenty-five million, five hundred fifty-five thousand, seventy-eight".