22331212003 has 4 divisors (see below), whose sum is σ = 23302134288. Its totient is φ = 21360289720.

The previous prime is 22331211967. The next prime is 22331212051. The reversal of 22331212003 is 30021213322.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 30021213322 = 2 ⋅15010606661.

It is a cyclic number.

It is not a de Polignac number, because 22331212003 - 2²¹ = 22329114851 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22331212073) 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, 485461108 + ... + 485461153.

It is an arithmetic number, because the mean of its divisors is an integer number (5825533572).

Almost surely, 2^22331212003 is an apocalyptic number.

22331212003 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

22331212003 is a deficient number, since it is larger than the sum of its proper divisors (970922285).

22331212003 is an equidigital number, since it uses as much as digits as its factorization.

22331212003 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 970922284.

The product of its (nonzero) digits is 432, while the sum is 19.

Adding to 22331212003 its reverse (30021213322), we get a palindrome (52352425325).

The spelling of 22331212003 in words is "twenty-two billion, three hundred thirty-one million, two hundred twelve thousand, three".