22521343003 has 2 divisors, whose sum is σ = 22521343004. Its totient is φ = 22521343002.

The previous prime is 22521342973. The next prime is 22521343027. The reversal of 22521343003 is 30034312522.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 22521343003 - 2⁵ = 22521342971 is a prime.

It is not a weakly prime, because it can be changed into another prime (22521343043) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11260671501 + 11260671502.

It is an arithmetic number, because the mean of its divisors is an integer number (11260671502).

Almost surely, 2^22521343003 is an apocalyptic number.

22521343003 is a deficient number, since it is larger than the sum of its proper divisors (1).

22521343003 is an equidigital number, since it uses as much as digits as its factorization.

22521343003 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4320, while the sum is 25.

Adding to 22521343003 its reverse (30034312522), we get a palindrome (52555655525).

The spelling of 22521343003 in words is "twenty-two billion, five hundred twenty-one million, three hundred forty-three thousand, three".