220001122222 has 32 divisors (see below), whose sum is σ = 378672408000. Its totient is φ = 93904524288.

The previous prime is 220001122141. The next prime is 220001122223. The reversal of 220001122222 is 222221100022.

It is a super-4 number, since 4×220001122222⁴ (a number of 46 digits) contains 4444 as substring.

It is a zygodrome in base 10.

It is a junction number, because it is equal to n+sod(n) for n = 220001122196 and 220001122205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220001122223) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14050654 + ... + 14066302.

It is an arithmetic number, because the mean of its divisors is an integer number (11833512750).

Almost surely, 2^220001122222 is an apocalyptic number.

220001122222 is a deficient number, since it is larger than the sum of its proper divisors (158671285778).

220001122222 is a wasteful number, since it uses less digits than its factorization.

220001122222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19660.

The product of its (nonzero) digits is 128, while the sum is 16.

Adding to 220001122222 its reverse (222221100022), we get a palindrome (442222222244).

The spelling of 220001122222 in words is "two hundred twenty billion, one million, one hundred twenty-two thousand, two hundred twenty-two".