22212321202 has 4 divisors (see below), whose sum is σ = 33318481806. Its totient is φ = 11106160600.

The previous prime is 22212321181. The next prime is 22212321211. The reversal of 22212321202 is 20212321222.

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

It can be written as a sum of positive squares in only one way, i.e., 11408589721 + 10803731481 = 106811^2 + 103941^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 22212321202.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5553080299 + ... + 5553080302.

Almost surely, 2^22212321202 is an apocalyptic number.

22212321202 is a deficient number, since it is larger than the sum of its proper divisors (11106160604).

22212321202 is a wasteful number, since it uses less digits than its factorization.

22212321202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11106160603.

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

Adding to 22212321202 its reverse (20212321222), we get a palindrome (42424642424).

The spelling of 22212321202 in words is "twenty-two billion, two hundred twelve million, three hundred twenty-one thousand, two hundred two".