221022123230 has 32 divisors (see below), whose sum is σ = 402470782560. Its totient is φ = 87382149120.

The previous prime is 221022123229. The next prime is 221022123313. The reversal of 221022123230 is 32321220122.

It is a happy number.

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, 588461 + ... + 887879.

It is an arithmetic number, because the mean of its divisors is an integer number (12577211955).

Almost surely, 2^221022123230 is an apocalyptic number.

221022123230 is a deficient number, since it is larger than the sum of its proper divisors (181448659330).

221022123230 is a wasteful number, since it uses less digits than its factorization.

221022123230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 300284.

The product of its (nonzero) digits is 576, while the sum is 20.

Adding to 221022123230 its reverse (32321220122), we get a palindrome (253343343352).

The spelling of 221022123230 in words is "two hundred twenty-one billion, twenty-two million, one hundred twenty-three thousand, two hundred thirty".