22003002231 has 32 divisors (see below), whose sum is σ = 36153868800. Its totient is φ = 11620869120.

The previous prime is 22003002223. The next prime is 22003002257. The reversal of 22003002231 is 13220030022.

It is not a de Polignac number, because 22003002231 - 2³ = 22003002223 is a prime.

It is a super-2 number, since 2×22003002231² (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 22003002231.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22003002211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 656146 + ... + 688863.

It is an arithmetic number, because the mean of its divisors is an integer number (1129808400).

Almost surely, 2^22003002231 is an apocalyptic number.

22003002231 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

22003002231 is a deficient number, since it is larger than the sum of its proper divisors (14150866569).

22003002231 is a wasteful number, since it uses less digits than its factorization.

22003002231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1345079.

The product of its (nonzero) digits is 144, while the sum is 15.

Adding to 22003002231 its reverse (13220030022), we get a palindrome (35223032253).

The spelling of 22003002231 in words is "twenty-two billion, three million, two thousand, two hundred thirty-one".