3223238644 has 6 divisors (see below), whose sum is σ = 5640667634. Its totient is φ = 1611619320.

The previous prime is 3223238581. The next prime is 3223238663. The reversal of 3223238644 is 4468323223.

It can be written as a sum of positive squares in only one way, i.e., 2559145744 + 664092900 = 50588^2 + 25770^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 402904827 + ... + 402904834.

Almost surely, 2^3223238644 is an apocalyptic number.

It is an amenable number.

3223238644 is a deficient number, since it is larger than the sum of its proper divisors (2417428990).

3223238644 is a wasteful number, since it uses less digits than its factorization.

3223238644 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 805809665 (or 805809663 counting only the distinct ones).

The product of its digits is 165888, while the sum is 37.

The square root of 3223238644 is about 56773.5734651255. The cubic root of 3223238644 is about 1477.1711614779.

It can be divided in two parts, 32232 and 38644, that added together give a triangular number (70876 = T₃₇₆).

The spelling of 3223238644 in words is "three billion, two hundred twenty-three million, two hundred thirty-eight thousand, six hundred forty-four".