556226605212 has 48 divisors (see below), whose sum is σ = 1370607678720. Its totient is φ = 175210887808.

The previous prime is 556226605163. The next prime is 556226605213. The reversal of 556226605212 is 212506622655.

It is a super-2 number, since 2×556226605212² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (556226605213) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12117537 + ... + 12163352.

It is an arithmetic number, because the mean of its divisors is an integer number (28554326640).

Almost surely, 2^556226605212 is an apocalyptic number.

It is an amenable number.

556226605212 is an abundant number, since it is smaller than the sum of its proper divisors (814381073508).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

556226605212 is a wasteful number, since it uses less digits than its factorization.

556226605212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24281002 (or 24281000 counting only the distinct ones).

The product of its (nonzero) digits is 432000, while the sum is 42.

The spelling of 556226605212 in words is "five hundred fifty-six billion, two hundred twenty-six million, six hundred five thousand, two hundred twelve".