222112203144020 has 72 divisors (see below), whose sum is σ = 544978639701216. Its totient is φ = 75817280594496.

The previous prime is 222112203143977. The next prime is 222112203144023. The reversal of 222112203144020 is 20441302211222.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222112203144023) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 498995834 + ... + 499440753.

It is an arithmetic number, because the mean of its divisors is an integer number (7569147773628).

Almost surely, 2^{222112203144020} is an apocalyptic number.

222112203144020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

222112203144020 is an abundant number, since it is smaller than the sum of its proper divisors (322866436557196).

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

222112203144020 is a wasteful number, since it uses less digits than its factorization.

222112203144020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 998436837 (or 998436828 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 26.

Adding to 222112203144020 its reverse (20441302211222), we get a palindrome (242553505355242).

The spelling of 222112203144020 in words is "two hundred twenty-two trillion, one hundred twelve billion, two hundred three million, one hundred forty-four thousand, twenty".