22240003 has 2 divisors, whose sum is σ = 22240004. Its totient is φ = 22240002.

The previous prime is 22239979. The next prime is 22240021. The reversal of 22240003 is 30004222.

22240003 is nontrivially palindromic in base 12.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 22240003 - 2²¹ = 20142851 is a prime.

It is not a weakly prime, because it can be changed into another prime (22240093) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11120001 + 11120002.

It is an arithmetic number, because the mean of its divisors is an integer number (11120002).

Almost surely, 2^22240003 is an apocalyptic number.

22240003 is a deficient number, since it is larger than the sum of its proper divisors (1).

22240003 is an equidigital number, since it uses as much as digits as its factorization.

22240003 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 96, while the sum is 13.

The square root of 22240003 is about 4715.9307670915. The cubic root of 22240003 is about 281.2191862209.

Adding to 22240003 its reverse (30004222), we get a palindrome (52244225).

The spelling of 22240003 in words is "twenty-two million, two hundred forty thousand, three".