556228901231 has 8 divisors (see below), whose sum is σ = 587651958720. Its totient is φ = 525622027168.

The previous prime is 556228901219. The next prime is 556228901269. The reversal of 556228901231 is 132109822655.

556228901231 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-556228901231 is a prime.

It is a super-2 number, since 2×556228901231² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (556228951231) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 204044456 + ... + 204047181.

It is an arithmetic number, because the mean of its divisors is an integer number (73456494840).

Almost surely, 2^556228901231 is an apocalyptic number.

556228901231 is a deficient number, since it is larger than the sum of its proper divisors (31423057489).

556228901231 is a wasteful number, since it uses less digits than its factorization.

556228901231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 408091713.

The product of its (nonzero) digits is 259200, while the sum is 44.

The spelling of 556228901231 in words is "five hundred fifty-six billion, two hundred twenty-eight million, nine hundred one thousand, two hundred thirty-one".