22212013202 has 4 divisors (see below), whose sum is σ = 33318019806. Its totient is φ = 11106006600.

The previous prime is 22212013193. The next prime is 22212013207. The reversal of 22212013202 is 20231021222.

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., 16024774921 + 6187238281 = 126589^2 + 78659^2 .

It is not an unprimeable number, because it can be changed into a prime (22212013207) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5553003299 + ... + 5553003302.

Almost surely, 2^22212013202 is an apocalyptic number.

22212013202 is a deficient number, since it is larger than the sum of its proper divisors (11106006604).

22212013202 is a wasteful number, since it uses less digits than its factorization.

22212013202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11106006603.

The product of its (nonzero) digits is 192, while the sum is 17.

Adding to 22212013202 its reverse (20231021222), we get a palindrome (42443034424).

The spelling of 22212013202 in words is "twenty-two billion, two hundred twelve million, thirteen thousand, two hundred two".