22421300403 has 4 divisors (see below), whose sum is σ = 29895067208. Its totient is φ = 14947533600.

The previous prime is 22421300389. The next prime is 22421300411. The reversal of 22421300403 is 30400312422.

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

It is not a de Polignac number, because 22421300403 - 2¹² = 22421296307 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 22421300403.

It is not an unprimeable number, because it can be changed into a prime (22421300423) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3736883398 + ... + 3736883403.

It is an arithmetic number, because the mean of its divisors is an integer number (7473766802).

Almost surely, 2^22421300403 is an apocalyptic number.

22421300403 is a deficient number, since it is larger than the sum of its proper divisors (7473766805).

22421300403 is an equidigital number, since it uses as much as digits as its factorization.

22421300403 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7473766804.

The product of its (nonzero) digits is 1152, while the sum is 21.

Adding to 22421300403 its reverse (30400312422), we get a palindrome (52821612825).

The spelling of 22421300403 in words is "twenty-two billion, four hundred twenty-one million, three hundred thousand, four hundred three".