22222212203224 has 16 divisors (see below), whose sum is σ = 45454524961320. Its totient is φ = 10101005546880.

The previous prime is 22222212203161. The next prime is 22222212203273. The reversal of 22222212203224 is 42230221222222.

It is a junction number, because it is equal to n+sod(n) for n = 22222212203192 and 22222212203201.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 126262569249 + ... + 126262569424.

Almost surely, 2^{22222212203224} is an apocalyptic number.

It is an amenable number.

22222212203224 is an abundant number, since it is smaller than the sum of its proper divisors (23232312758096).

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

22222212203224 is a wasteful number, since it uses less digits than its factorization.

22222212203224 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 252525138690 (or 252525138686 counting only the distinct ones).

The product of its (nonzero) digits is 12288, while the sum is 28.

Adding to 22222212203224 its reverse (42230221222222), we get a palindrome (64452433425446).

The spelling of 22222212203224 in words is "twenty-two trillion, two hundred twenty-two billion, two hundred twelve million, two hundred three thousand, two hundred twenty-four".