22320003 has 8 divisors (see below), whose sum is σ = 31326400. Its totient is φ = 14096808.

The previous prime is 22319993. The next prime is 22320007. The reversal of 22320003 is 30002322.

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

It is not a de Polignac number, because 22320003 - 2⁶ = 22319939 is a prime.

It is a super-3 number, since 3×22320003³ (a number of 23 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22320007) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 195733 + ... + 195846.

It is an arithmetic number, because the mean of its divisors is an integer number (3915800).

Almost surely, 2^22320003 is an apocalyptic number.

22320003 is a deficient number, since it is larger than the sum of its proper divisors (9006397).

22320003 is a wasteful number, since it uses less digits than its factorization.

22320003 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 391601.

The product of its (nonzero) digits is 72, while the sum is 12.

The square root of 22320003 is about 4724.4050419074. The cubic root of 22320003 is about 281.5559759419. Note that the first 3 decimals are identical.

Adding to 22320003 its reverse (30002322), we get a palindrome (52322325).

The spelling of 22320003 in words is "twenty-two million, three hundred twenty thousand, three".