22213312230 has 32 divisors (see below), whose sum is σ = 54752815584. Its totient is φ = 5763453696.

The previous prime is 22213312217. The next prime is 22213312241. The reversal of 22213312230 is 3221331222.

It is a happy number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 22213312197 and 22213312206.

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, 10004887 + ... + 10007106.

It is an arithmetic number, because the mean of its divisors is an integer number (1711025487).

Almost surely, 2^22213312230 is an apocalyptic number.

22213312230 is an abundant number, since it is smaller than the sum of its proper divisors (32539503354).

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

22213312230 is a wasteful number, since it uses less digits than its factorization.

22213312230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20012040.

The product of its (nonzero) digits is 864, while the sum is 21.

Adding to 22213312230 its reverse (3221331222), we get a palindrome (25434643452).

The spelling of 22213312230 in words is "twenty-two billion, two hundred thirteen million, three hundred twelve thousand, two hundred thirty".