1331242224404 has 12 divisors (see below), whose sum is σ = 2329687887744. Its totient is φ = 665617113624.

The previous prime is 1331242224401. The next prime is 1331242224413. The reversal of 1331242224404 is 4044222421331.

It is a happy number.

It is a super-2 number, since 2×1331242224404² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1331242224401) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 174962 + ... + 1641065.

It is an arithmetic number, because the mean of its divisors is an integer number (194140657312).

Almost surely, 2^{1331242224404} is an apocalyptic number.

It is an amenable number.

1331242224404 is a deficient number, since it is larger than the sum of its proper divisors (998445663340).

1331242224404 is a wasteful number, since it uses less digits than its factorization.

1331242224404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1999294 (or 1999292 counting only the distinct ones).

The product of its (nonzero) digits is 36864, while the sum is 32.

Adding to 1331242224404 its reverse (4044222421331), we get a palindrome (5375464645735).

The spelling of 1331242224404 in words is "one trillion, three hundred thirty-one billion, two hundred forty-two million, two hundred twenty-four thousand, four hundred four".