22144232403 has 12 divisors (see below), whose sum is σ = 32017516440. Its totient is φ = 14748327936.

The previous prime is 22144232333. The next prime is 22144232413. The reversal of 22144232403 is 30423244122.

22144232403 is a `hidden beast` number, since 2 + 21 + 4 + 4 + 232 + 403 = 666.

It is not a de Polignac number, because 22144232403 - 2²¹ = 22142135251 is a prime.

It is not an unprimeable number, because it can be changed into a prime (22144232413) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1198126 + ... + 1216467.

It is an arithmetic number, because the mean of its divisors is an integer number (2668126370).

Almost surely, 2^22144232403 is an apocalyptic number.

22144232403 is a deficient number, since it is larger than the sum of its proper divisors (9873284037).

22144232403 is a wasteful number, since it uses less digits than its factorization.

22144232403 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2415618 (or 2415615 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 27.

Adding to 22144232403 its reverse (30423244122), we get a palindrome (52567476525).

The spelling of 22144232403 in words is "twenty-two billion, one hundred forty-four million, two hundred thirty-two thousand, four hundred three".