3213144444 has 12 divisors (see below), whose sum is σ = 7497337064. Its totient is φ = 1071048144.

The previous prime is 3213144373. The next prime is 3213144461. The reversal of 3213144444 is 4444413123.

It is a tau number, because it is divible by the number of its divisors (12).

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

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, 133881007 + ... + 133881030.

Almost surely, 2^3213144444 is an apocalyptic number.

It is an amenable number.

3213144444 is an abundant number, since it is smaller than the sum of its proper divisors (4284192620).

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

3213144444 is a wasteful number, since it uses less digits than its factorization.

3213144444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 267762044 (or 267762042 counting only the distinct ones).

The product of its digits is 18432, while the sum is 30.

The square root of 3213144444 is about 56684.6049999469. The cubic root of 3213144444 is about 1475.6275325023.

Adding to 3213144444 its reverse (4444413123), we get a palindrome (7657557567).

The spelling of 3213144444 in words is "three billion, two hundred thirteen million, one hundred forty-four thousand, four hundred forty-four".