3213023444 has 6 divisors (see below), whose sum is σ = 5622791034. Its totient is φ = 1606511720.

The previous prime is 3213023417. The next prime is 3213023449. The reversal of 3213023444 is 4443203123.

It can be written as a sum of positive squares in only one way, i.e., 2684483344 + 528540100 = 51812^2 + 22990^2 .

It is a super-2 number, since 2×3213023444² = 20647039303387242272, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3213023449) by changing a digit.

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, 401627927 + ... + 401627934.

It is an arithmetic number, because the mean of its divisors is an integer number (937131839).

Almost surely, 2^3213023444 is an apocalyptic number.

It is an amenable number.

3213023444 is a deficient number, since it is larger than the sum of its proper divisors (2409767590).

3213023444 is a wasteful number, since it uses less digits than its factorization.

3213023444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 803255865 (or 803255863 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 26.

The square root of 3213023444 is about 56683.5376807059. The cubic root of 3213023444 is about 1475.6090093001.

Adding to 3213023444 its reverse (4443203123), we get a palindrome (7656226567).

The spelling of 3213023444 in words is "three billion, two hundred thirteen million, twenty-three thousand, four hundred forty-four".