22131003 has 8 divisors (see below), whose sum is σ = 29543248. Its totient is φ = 14736384.

The previous prime is 22131001. The next prime is 22131017. The reversal of 22131003 is 30013122.

It is a happy number.

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

It is not a de Polignac number, because 22131003 - 2¹ = 22131001 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 22131003.

It is not an unprimeable number, because it can be changed into a prime (22131001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1126 + ... + 6747.

It is an arithmetic number, because the mean of its divisors is an integer number (3692906).

Almost surely, 2^22131003 is an apocalyptic number.

22131003 is a deficient number, since it is larger than the sum of its proper divisors (7412245).

22131003 is an equidigital number, since it uses as much as digits as its factorization.

22131003 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8813.

The product of its (nonzero) digits is 36, while the sum is 12.

The square root of 22131003 is about 4704.3599989797. The cubic root of 22131003 is about 280.7590078431.

Adding to 22131003 its reverse (30013122), we get a palindrome (52144125).

The spelling of 22131003 in words is "twenty-two million, one hundred thirty-one thousand, three".