3722284231521 has 16 divisors (see below), whose sum is σ = 5092027149888. Its totient is φ = 2417220915200.

The previous prime is 3722284231493. The next prime is 3722284231537. The reversal of 3722284231521 is 1251324822273.

It is a cyclic number.

It is not a de Polignac number, because 3722284231521 - 2¹⁷ = 3722284100449 is a prime.

It is not an unprimeable number, because it can be changed into a prime (3722284221521) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 23526831 + ... + 23684516.

It is an arithmetic number, because the mean of its divisors is an integer number (318251696868).

Almost surely, 2^{3722284231521} is an apocalyptic number.

It is an amenable number.

3722284231521 is a deficient number, since it is larger than the sum of its proper divisors (1369742918367).

3722284231521 is a wasteful number, since it uses less digits than its factorization.

3722284231521 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47212032.

The product of its digits is 322560, while the sum is 42.

The spelling of 3722284231521 in words is "three trillion, seven hundred twenty-two billion, two hundred eighty-four million, two hundred thirty-one thousand, five hundred twenty-one".