556221210236 has 24 divisors (see below), whose sum is σ = 989895312000. Its totient is φ = 273410617392.

The previous prime is 556221210187. The next prime is 556221210283. The reversal of 556221210236 is 632012122655.

It is a super-2 number, since 2×556221210236² (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 556221210196 and 556221210205.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1945880 + ... + 2213343.

It is an arithmetic number, because the mean of its divisors is an integer number (41245638000).

Almost surely, 2^556221210236 is an apocalyptic number.

It is an amenable number.

556221210236 is a deficient number, since it is larger than the sum of its proper divisors (433674101764).

556221210236 is a wasteful number, since it uses less digits than its factorization.

556221210236 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4159793 (or 4159791 counting only the distinct ones).

The product of its (nonzero) digits is 43200, while the sum is 35.

The spelling of 556221210236 in words is "five hundred fifty-six billion, two hundred twenty-one million, two hundred ten thousand, two hundred thirty-six".