222321021230 has 64 divisors (see below), whose sum is σ = 503863027200. Its totient is φ = 68608752000.

The previous prime is 222321021191. The next prime is 222321021281. The reversal of 222321021230 is 32120123222.

It is a happy number.

It is a super-2 number, since 2×222321021230² (a number of 23 digits) contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1351580 + ... + 1507119.

It is an arithmetic number, because the mean of its divisors is an integer number (7872859800).

Almost surely, 2^222321021230 is an apocalyptic number.

222321021230 is an abundant number, since it is smaller than the sum of its proper divisors (281542005970).

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

222321021230 is a wasteful number, since it uses less digits than its factorization.

222321021230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2858825.

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

Adding to 222321021230 its reverse (32120123222), we get a palindrome (254441144452).

The spelling of 222321021230 in words is "two hundred twenty-two billion, three hundred twenty-one million, twenty-one thousand, two hundred thirty".