222221122224 has 20 divisors (see below), whose sum is σ = 574071232536. Its totient is φ = 74073707392.

The previous prime is 222221122213. The next prime is 222221122247. The reversal of 222221122224 is 422221122222.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a nude number because it is divisible by every one of its digits.

It is a junction number, because it is equal to n+sod(n) for n = 222221122194 and 222221122203.

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, 2314803309 + ... + 2314803404.

Almost surely, 2^222221122224 is an apocalyptic number.

222221122224 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

222221122224 is an abundant number, since it is smaller than the sum of its proper divisors (351850110312).

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

222221122224 is a wasteful number, since it uses less digits than its factorization.

222221122224 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4629606724 (or 4629606718 counting only the distinct ones).

The product of its digits is 2048, while the sum is 24.

Adding to 222221122224 its reverse (422221122222), we get a palindrome (644442244446).

The spelling of 222221122224 in words is "two hundred twenty-two billion, two hundred twenty-one million, one hundred twenty-two thousand, two hundred twenty-four".