22212203201 has 4 divisors (see below), whose sum is σ = 22251104304. Its totient is φ = 22173302100.

The previous prime is 22212203171. The next prime is 22212203227. The reversal of 22212203201 is 10230221222.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22212203201 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 22212203201.

It is not an unprimeable number, because it can be changed into a prime (22212203801) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19449695 + ... + 19450836.

It is an arithmetic number, because the mean of its divisors is an integer number (5562776076).

Almost surely, 2^22212203201 is an apocalyptic number.

It is an amenable number.

22212203201 is a deficient number, since it is larger than the sum of its proper divisors (38901103).

22212203201 is an equidigital number, since it uses as much as digits as its factorization.

22212203201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38901102.

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

Adding to 22212203201 its reverse (10230221222), we get a palindrome (32442424423).

The spelling of 22212203201 in words is "twenty-two billion, two hundred twelve million, two hundred three thousand, two hundred one".