221533612413308 has 48 divisors (see below), whose sum is σ = 421911786975840. Its totient is φ = 101167739265024.

The previous prime is 221533612413277. The next prime is 221533612413343. The reversal of 221533612413308 is 803314216335122.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

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, 15571460 + ... + 26182772.

It is an arithmetic number, because the mean of its divisors is an integer number (8789828895330).

Almost surely, 2^{221533612413308} is an apocalyptic number.

It is an amenable number.

221533612413308 is a deficient number, since it is larger than the sum of its proper divisors (200378174562532).

221533612413308 is a wasteful number, since it uses less digits than its factorization.

221533612413308 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10615566 (or 10615564 counting only the distinct ones).

The product of its (nonzero) digits is 622080, while the sum is 44.

The spelling of 221533612413308 in words is "two hundred twenty-one trillion, five hundred thirty-three billion, six hundred twelve million, four hundred thirteen thousand, three hundred eight".