3225842293581 has 48 divisors (see below), whose sum is σ = 4899324830400. Its totient is φ = 2120781979008.

The previous prime is 3225842293577. The next prime is 3225842293621. The reversal of 3225842293581 is 1853922485223.

It is a happy number.

3225842293581 is a `hidden beast` number, since 3 + 2 + 2 + 58 + 4 + 2 + 2 + 9 + 3 + 581 = 666.

It is not a de Polignac number, because 3225842293581 - 2² = 3225842293577 is a prime.

It is a super-2 number, since 2×3225842293581² (a number of 26 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3225842293081) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 7999855 + ... + 8393411.

It is an arithmetic number, because the mean of its divisors is an integer number (102069267300).

Almost surely, 2^{3225842293581} is an apocalyptic number.

It is an amenable number.

3225842293581 is a deficient number, since it is larger than the sum of its proper divisors (1673482536819).

3225842293581 is an equidigital number, since it uses as much as digits as its factorization.

3225842293581 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 394040 (or 394028 counting only the distinct ones).

The product of its digits is 8294400, while the sum is 54.

The spelling of 3225842293581 in words is "three trillion, two hundred twenty-five billion, eight hundred forty-two million, two hundred ninety-three thousand, five hundred eighty-one".