22321231003 has 4 divisors (see below), whose sum is σ = 22322485080. Its totient is φ = 22319976928.

The previous prime is 22321231001. The next prime is 22321231019. The reversal of 22321231003 is 30013212322.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 22321231003 - 2¹ = 22321231001 is a prime.

It is a super-3 number, since 3×22321231003³ (a number of 32 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22321231001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 599950 + ... + 636067.

It is an arithmetic number, because the mean of its divisors is an integer number (5580621270).

Almost surely, 2^22321231003 is an apocalyptic number.

22321231003 is a deficient number, since it is larger than the sum of its proper divisors (1254077).

22321231003 is a wasteful number, since it uses less digits than its factorization.

22321231003 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1254076.

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

Adding to 22321231003 its reverse (30013212322), we get a palindrome (52334443325).

It can be divided in two parts, 2232 and 1231003, that added together give a triangular number (1233235 = T₁₅₇₀).

The spelling of 22321231003 in words is "twenty-two billion, three hundred twenty-one million, two hundred thirty-one thousand, three".