3213245444 has 24 divisors (see below), whose sum is σ = 5694362520. Its totient is φ = 1586386944.

The previous prime is 3213245407. The next prime is 3213245459. The reversal of 3213245444 is 4445423123.

It can be written as a sum of positive squares in 4 ways, for example, as 1636202500 + 1577042944 = 40450^2 + 39712^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 3213245444.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 115172 + ... + 140324.

It is an arithmetic number, because the mean of its divisors is an integer number (237265105).

Almost surely, 2^3213245444 is an apocalyptic number.

It is an amenable number.

3213245444 is a deficient number, since it is larger than the sum of its proper divisors (2481117076).

3213245444 is a wasteful number, since it uses less digits than its factorization.

3213245444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25559 (or 25557 counting only the distinct ones).

The product of its digits is 46080, while the sum is 32.

The square root of 3213245444 is about 56685.4958873961. The cubic root of 3213245444 is about 1475.6429936621.

Adding to 3213245444 its reverse (4445423123), we get a palindrome (7658668567).

The spelling of 3213245444 in words is "three billion, two hundred thirteen million, two hundred forty-five thousand, four hundred forty-four".