220212122022 has 48 divisors (see below), whose sum is σ = 480885069600. Its totient is φ = 72827859456.

The previous prime is 220212121999. The next prime is 220212122027. The reversal of 220212122022 is 220221212022.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 220212121986 and 220212122004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220212122027) 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, 1177368 + ... + 1351524.

It is an arithmetic number, because the mean of its divisors is an integer number (10018438950).

Almost surely, 2^220212122022 is an apocalyptic number.

220212122022 is an abundant number, since it is smaller than the sum of its proper divisors (260672947578).

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

220212122022 is a wasteful number, since it uses less digits than its factorization.

220212122022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 174717 (or 174714 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 18.

Adding to 220212122022 its reverse (220221212022), we get a palindrome (440433334044).

The spelling of 220212122022 in words is "two hundred twenty billion, two hundred twelve million, one hundred twenty-two thousand, twenty-two".