22244000403 has 4 divisors (see below), whose sum is σ = 29658667208. Its totient is φ = 14829333600.

The previous prime is 22244000377. The next prime is 22244000453. The reversal of 22244000403 is 30400044222.

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

It is not a de Polignac number, because 22244000403 - 2⁵ = 22244000371 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 22244000403.

It is not an unprimeable number, because it can be changed into a prime (22244000453) 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, 3707333398 + ... + 3707333403.

It is an arithmetic number, because the mean of its divisors is an integer number (7414666802).

Almost surely, 2^22244000403 is an apocalyptic number.

22244000403 is a deficient number, since it is larger than the sum of its proper divisors (7414666805).

22244000403 is an equidigital number, since it uses as much as digits as its factorization.

22244000403 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7414666804.

The product of its (nonzero) digits is 1536, while the sum is 21.

Adding to 22244000403 its reverse (30400044222), we get a palindrome (52644044625).

The spelling of 22244000403 in words is "twenty-two billion, two hundred forty-four million, four hundred three", and thus it is an aban number.