221012302332222 has 24 divisors (see below), whose sum is σ = 504063145670760. Its totient is φ = 69793358631120.

The previous prime is 221012302332197. The next prime is 221012302332247. The reversal of 221012302332222 is 222233203210122.

221012302332222 is a `hidden beast` number, since 2 + 2 + 1 + 0 + 1 + 2 + 302 + 332 + 2 + 22 = 666.

It is an interprime number because it is at equal distance from previous prime (221012302332197) and next prime (221012302332247).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 323117400729 + ... + 323117401412.

It is an arithmetic number, because the mean of its divisors is an integer number (21002631069615).

Almost surely, 2^{221012302332222} is an apocalyptic number.

221012302332222 is an abundant number, since it is smaller than the sum of its proper divisors (283050843338538).

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

221012302332222 is a wasteful number, since it uses less digits than its factorization.

221012302332222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 646234802168 (or 646234802165 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 27.

Adding to 221012302332222 its reverse (222233203210122), we get a palindrome (443245505542344).

The spelling of 221012302332222 in words is "two hundred twenty-one trillion, twelve billion, three hundred two million, three hundred thirty-two thousand, two hundred twenty-two".