22220102122 has 16 divisors (see below), whose sum is σ = 34556301000. Its totient is φ = 10703042560.

The previous prime is 22220102101. The next prime is 22220102147. The reversal of 22220102122 is 22120102222.

It can be written as a sum of positive squares in 4 ways, for example, as 20773745161 + 1446356961 = 144131^2 + 38031^2 .

It is a junction number, because it is equal to n+sod(n) for n = 22220102096 and 22220102105.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 400579 + ... + 452662.

Almost surely, 2^22220102122 is an apocalyptic number.

22220102122 is a deficient number, since it is larger than the sum of its proper divisors (12336198878).

22220102122 is a wasteful number, since it uses less digits than its factorization.

22220102122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 853721.

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

Adding to 22220102122 its reverse (22120102222), we get a palindrome (44340204344).

The spelling of 22220102122 in words is "twenty-two billion, two hundred twenty million, one hundred two thousand, one hundred twenty-two".