22122222102 has 48 divisors (see below), whose sum is σ = 48703672368. Its totient is φ = 7256174400.

The previous prime is 22122222071. The next prime is 22122222131. The reversal of 22122222102 is 20122222122.

22122222102 is a `hidden beast` number, since 221 + 222 + 221 + 0 + 2 = 666.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 259008 + ... + 333660.

It is an arithmetic number, because the mean of its divisors is an integer number (1014659841).

Almost surely, 2^22122222102 is an apocalyptic number.

22122222102 is an abundant number, since it is smaller than the sum of its proper divisors (26581450266).

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

22122222102 is a wasteful number, since it uses less digits than its factorization.

22122222102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74925 (or 74922 counting only the distinct ones).

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

Adding to 22122222102 its reverse (20122222122), we get a palindrome (42244444224).

The spelling of 22122222102 in words is "twenty-two billion, one hundred twenty-two million, two hundred twenty-two thousand, one hundred two".