22220212230 has 24 divisors (see below), whose sum is σ = 57772552032. Its totient is φ = 5925389904.

The previous prime is 22220212229. The next prime is 22220212243. The reversal of 22220212230 is 3221202222.

22220212230 is a `hidden beast` number, since 2 + 2 + 220 + 212 + 230 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 123445534 + ... + 123445713.

It is an arithmetic number, because the mean of its divisors is an integer number (2407189668).

Almost surely, 2^22220212230 is an apocalyptic number.

22220212230 is an abundant number, since it is smaller than the sum of its proper divisors (35552339802).

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

22220212230 is a wasteful number, since it uses less digits than its factorization.

22220212230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 246891260 (or 246891257 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 18.

Adding to 22220212230 its reverse (3221202222), we get a palindrome (25441414452).

It can be divided in two parts, 222202 and 12230, that added together give a palindrome (234432).

The spelling of 22220212230 in words is "twenty-two billion, two hundred twenty million, two hundred twelve thousand, two hundred thirty".