220222212220212 has 24 divisors (see below), whose sum is σ = 514391022484416. Its totient is φ = 73330376363328.

The previous prime is 220222212220207. The next prime is 220222212220321. The reversal of 220222212220212 is 212022212222022.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9628451848 + ... + 9628474719.

It is an arithmetic number, because the mean of its divisors is an integer number (21432959270184).

Almost surely, 2^{220222212220212} is an apocalyptic number.

It is an amenable number.

220222212220212 is an abundant number, since it is smaller than the sum of its proper divisors (294168810264204).

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

220222212220212 is a wasteful number, since it uses less digits than its factorization.

220222212220212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19256927527 (or 19256927525 counting only the distinct ones).

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

Adding to 220222212220212 its reverse (212022212222022), we get a palindrome (432244424442234).

The spelling of 220222212220212 in words is "two hundred twenty trillion, two hundred twenty-two billion, two hundred twelve million, two hundred twenty thousand, two hundred twelve".