3215226257542 has 64 divisors (see below), whose sum is σ = 5575425234624. Its totient is φ = 1377445478400.

The previous prime is 3215226257513. The next prime is 3215226257549. The reversal of 3215226257542 is 2457526225123.

It is a junction number, because it is equal to n+sod(n) for n = 3215226257492 and 3215226257501.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3215226257549) 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 31 ways as a sum of consecutive naturals, for example, 11332873 + ... + 11613115.

It is an arithmetic number, because the mean of its divisors is an integer number (87116019291).

Almost surely, 2^{3215226257542} is an apocalyptic number.

3215226257542 is a deficient number, since it is larger than the sum of its proper divisors (2360198977082).

3215226257542 is a wasteful number, since it uses less digits than its factorization.

3215226257542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 280633.

The product of its digits is 2016000, while the sum is 46.

The spelling of 3215226257542 in words is "three trillion, two hundred fifteen billion, two hundred twenty-six million, two hundred fifty-seven thousand, five hundred forty-two".