22222312102 has 4 divisors (see below), whose sum is σ = 33333468156. Its totient is φ = 11111156050.

The previous prime is 22222312069. The next prime is 22222312117. The reversal of 22222312102 is 20121322222.

It is a semiprime because it is the product of two primes.

It is a self number, because there is not a number n which added to its sum of digits gives 22222312102.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5555578024 + ... + 5555578027.

It is an arithmetic number, because the mean of its divisors is an integer number (8333367039).

Almost surely, 2^22222312102 is an apocalyptic number.

22222312102 is a deficient number, since it is larger than the sum of its proper divisors (11111156054).

22222312102 is a wasteful number, since it uses less digits than its factorization.

22222312102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11111156053.

The product of its (nonzero) digits is 384, while the sum is 19.

Adding to 22222312102 its reverse (20121322222), we get a palindrome (42343634324).

The spelling of 22222312102 in words is "twenty-two billion, two hundred twenty-two million, three hundred twelve thousand, one hundred two".