3223245128 has 16 divisors (see below), whose sum is σ = 6065406780. Its totient is φ = 1605803328.

The previous prime is 3223245097. The next prime is 3223245131. The reversal of 3223245128 is 8215423223.

It can be written as a sum of positive squares in 2 ways, for example, as 3207863044 + 15382084 = 56638^2 + 3922^2 .

It is a junction number, because it is equal to n+sod(n) for n = 3223245094 and 3223245103.

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, 725051 + ... + 729482.

Almost surely, 2^3223245128 is an apocalyptic number.

It is an amenable number.

3223245128 is a deficient number, since it is larger than the sum of its proper divisors (2842161652).

3223245128 is a wasteful number, since it uses less digits than its factorization.

3223245128 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1454816 (or 1454812 counting only the distinct ones).

The product of its digits is 23040, while the sum is 32.

The square root of 3223245128 is about 56773.6305691295. The cubic root of 3223245128 is about 1477.1721519901.

The spelling of 3223245128 in words is "three billion, two hundred twenty-three million, two hundred forty-five thousand, one hundred twenty-eight".