221036552334 has 48 divisors (see below), whose sum is σ = 527746210992. Its totient is φ = 66429586944.

The previous prime is 221036552333. The next prime is 221036552351. The reversal of 221036552334 is 433255630122.

221036552334 is a `hidden beast` number, since 2 + 210 + 3 + 65 + 52 + 334 = 666.

221036552334 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×221036552334² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (221036552333) 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 23 ways as a sum of consecutive naturals, for example, 10973667 + ... + 10993790.

It is an arithmetic number, because the mean of its divisors is an integer number (10994712729).

Almost surely, 2^221036552334 is an apocalyptic number.

221036552334 is an abundant number, since it is smaller than the sum of its proper divisors (306709658658).

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

221036552334 is a wasteful number, since it uses less digits than its factorization.

221036552334 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21967521 (or 21967518 counting only the distinct ones).

The product of its (nonzero) digits is 129600, while the sum is 36.

The spelling of 221036552334 in words is "two hundred twenty-one billion, thirty-six million, five hundred fifty-two thousand, three hundred thirty-four".