221332023222 has 32 divisors (see below), whose sum is σ = 453241274112. Its totient is φ = 72016611744.

The previous prime is 221332023197. The next prime is 221332023233. The reversal of 221332023222 is 222320233122.

It is a super-2 number, since 2×221332023222² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 221332023192 and 221332023201.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 147688 + ... + 681524.

It is an arithmetic number, because the mean of its divisors is an integer number (14163789816).

Almost surely, 2^221332023222 is an apocalyptic number.

221332023222 is an abundant number, since it is smaller than the sum of its proper divisors (231909250890).

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

221332023222 is a wasteful number, since it uses less digits than its factorization.

221332023222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 535492.

The product of its (nonzero) digits is 3456, while the sum is 24.

Adding to 221332023222 its reverse (222320233122), we get a palindrome (443652256344).

The spelling of 221332023222 in words is "two hundred twenty-one billion, three hundred thirty-two million, twenty-three thousand, two hundred twenty-two".