22243021203 has 32 divisors (see below), whose sum is σ = 33209874432. Its totient is φ = 13149676800.

The previous prime is 22243021193. The next prime is 22243021211. The reversal of 22243021203 is 30212034222.

It is not a de Polignac number, because 22243021203 - 2¹⁸ = 22242759059 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 22243021203.

It is not an unprimeable number, because it can be changed into a prime (22243021253) 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 in 31 ways as a sum of consecutive naturals, for example, 98488 + ... + 232778.

It is an arithmetic number, because the mean of its divisors is an integer number (1037808576).

Almost surely, 2^22243021203 is an apocalyptic number.

22243021203 is a deficient number, since it is larger than the sum of its proper divisors (10966853229).

22243021203 is a wasteful number, since it uses less digits than its factorization.

22243021203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 134475.

The product of its (nonzero) digits is 1152, while the sum is 21.

Adding to 22243021203 its reverse (30212034222), we get a palindrome (52455055425).

The spelling of 22243021203 in words is "twenty-two billion, two hundred forty-three million, twenty-one thousand, two hundred three".