331400223200444 has 24 divisors (see below), whose sum is σ = 580662352725840. Its totient is φ = 165496793261184.

The previous prime is 331400223200419. The next prime is 331400223200479. The reversal of 331400223200444 is 444002322004133.

It is a super-2 number, since 2×331400223200444² (a number of 30 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 331400223200444.

It is a congruent number.

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, 912422 + ... + 25761074.

It is an arithmetic number, because the mean of its divisors is an integer number (24194264696910).

Almost surely, 2^{331400223200444} is an apocalyptic number.

It is an amenable number.

331400223200444 is a deficient number, since it is larger than the sum of its proper divisors (249262129525396).

331400223200444 is a wasteful number, since it uses less digits than its factorization.

331400223200444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24852749 (or 24852747 counting only the distinct ones).

The product of its (nonzero) digits is 55296, while the sum is 32.

Adding to 331400223200444 its reverse (444002322004133), we get a palindrome (775402545204577).

The spelling of 331400223200444 in words is "three hundred thirty-one trillion, four hundred billion, two hundred twenty-three million, two hundred thousand, four hundred forty-four".