22012303 has 2 divisors, whose sum is σ = 22012304. Its totient is φ = 22012302.

The previous prime is 22012301. The next prime is 22012321. The reversal of 22012303 is 30321022.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 22012303 - 2¹ = 22012301 is a prime.

Together with 22012301, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22012301) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11006151 + 11006152.

It is an arithmetic number, because the mean of its divisors is an integer number (11006152).

Almost surely, 2^22012303 is an apocalyptic number.

22012303 is a deficient number, since it is larger than the sum of its proper divisors (1).

22012303 is an equidigital number, since it uses as much as digits as its factorization.

22012303 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 72, while the sum is 13.

The square root of 22012303 is about 4691.7270807241. The cubic root of 22012303 is about 280.2561558924.

Adding to 22012303 its reverse (30321022), we get a palindrome (52333325).

The spelling of 22012303 in words is "twenty-two million, twelve thousand, three hundred three".