221233223022 has 32 divisors (see below), whose sum is σ = 505696740864. Its totient is φ = 63206892000.

The previous prime is 221233222907. The next prime is 221233223047. The reversal of 221233223022 is 220322332122.

It is a junction number, because it is equal to n+sod(n) for n = 221233222983 and 221233223001.

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, 1077447 + ... + 1266237.

It is an arithmetic number, because the mean of its divisors is an integer number (15803023152).

Almost surely, 2^221233223022 is an apocalyptic number.

221233223022 is an abundant number, since it is smaller than the sum of its proper divisors (284463517842).

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

221233223022 is a wasteful number, since it uses less digits than its factorization.

221233223022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 216704.

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

Adding to 221233223022 its reverse (220322332122), we get a palindrome (441555555144).

The spelling of 221233223022 in words is "two hundred twenty-one billion, two hundred thirty-three million, two hundred twenty-three thousand, twenty-two".