22222222230 has 64 divisors (see below), whose sum is σ = 57451343040. Its totient is φ = 5468614656.

The previous prime is 22222222223. The next prime is 22222222273. The reversal of 22222222230 is 3222222222.

It is a junction number, because it is equal to n+sod(n) for n = 22222222197 and 22222222206.

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, 2473186 + ... + 2482154.

It is an arithmetic number, because the mean of its divisors is an integer number (897677235).

Almost surely, 2^22222222230 is an apocalyptic number.

22222222230 is an abundant number, since it is smaller than the sum of its proper divisors (35229120810).

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

22222222230 is a wasteful number, since it uses less digits than its factorization.

22222222230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15345.

The product of its (nonzero) digits is 1536, while the sum is 21.

Adding to 22222222230 its reverse (3222222222), we get a palindrome (25444444452).

The spelling of 22222222230 in words is "twenty-two billion, two hundred twenty-two million, two hundred twenty-two thousand, two hundred thirty".