220212100422 has 24 divisors (see below), whose sum is σ = 505192466376. Its totient is φ = 69086149056.

The previous prime is 220212100397. The next prime is 220212100441. The reversal of 220212100422 is 224001212022.

220212100422 is a `hidden beast` number, since 2 + 20 + 212 + 10 + 0 + 422 = 666.

220212100422 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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 = 220212100395 and 220212100404.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 359823388 + ... + 359823999.

It is an arithmetic number, because the mean of its divisors is an integer number (21049686099).

Almost surely, 2^220212100422 is an apocalyptic number.

220212100422 is an abundant number, since it is smaller than the sum of its proper divisors (284980365954).

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

220212100422 is a wasteful number, since it uses less digits than its factorization.

220212100422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 719647412 (or 719647409 counting only the distinct ones).

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

Adding to 220212100422 its reverse (224001212022), we get a palindrome (444213312444).

The spelling of 220212100422 in words is "two hundred twenty billion, two hundred twelve million, one hundred thousand, four hundred twenty-two".