22300212222 has 20 divisors (see below), whose sum is σ = 49968994416. Its totient is φ = 7433404020.

The previous prime is 22300212199. The next prime is 22300212223. The reversal of 22300212222 is 22221200322.

22300212222 is a `hidden beast` number, since 2 + 230 + 0 + 212 + 222 = 666.

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

It is a junction number, because it is equal to n+sod(n) for n = 22300212195 and 22300212204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22300212223) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 68827654 + ... + 68827977.

Almost surely, 2^22300212222 is an apocalyptic number.

22300212222 is an abundant number, since it is smaller than the sum of its proper divisors (27668782194).

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

22300212222 is a wasteful number, since it uses less digits than its factorization.

22300212222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 137655645 (or 137655636 counting only the distinct ones).

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

Adding to 22300212222 its reverse (22221200322), we get a palindrome (44521412544).

The spelling of 22300212222 in words is "twenty-two billion, three hundred million, two hundred twelve thousand, two hundred twenty-two".