22131221303 has 8 divisors (see below), whose sum is σ = 22825886400. Its totient is φ = 21445880800.

The previous prime is 22131221297. The next prime is 22131221317. The reversal of 22131221303 is 30312213122.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 22131221303 - 2¹⁴ = 22131204919 is a prime.

It is a super-2 number, since 2×22131221303² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22131221393) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2326328 + ... + 2335821.

It is an arithmetic number, because the mean of its divisors is an integer number (2853235800).

Almost surely, 2^22131221303 is an apocalyptic number.

22131221303 is a deficient number, since it is larger than the sum of its proper divisors (694665097).

22131221303 is a wasteful number, since it uses less digits than its factorization.

22131221303 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4662297.

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 22131221303 its reverse (30312213122), we get a palindrome (52443434425).

The spelling of 22131221303 in words is "twenty-two billion, one hundred thirty-one million, two hundred twenty-one thousand, three hundred three".