22113453403 has 4 divisors (see below), whose sum is σ = 22113903280. Its totient is φ = 22113003528.

The previous prime is 22113453359. The next prime is 22113453407. The reversal of 22113453403 is 30435431122.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22113453403 is a prime.

It is a super-3 number, since 3×22113453403³ (a number of 32 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22113453407) 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, 140688 + ... + 253021.

It is an arithmetic number, because the mean of its divisors is an integer number (5528475820).

Almost surely, 2^22113453403 is an apocalyptic number.

22113453403 is a deficient number, since it is larger than the sum of its proper divisors (449877).

22113453403 is an equidigital number, since it uses as much as digits as its factorization.

22113453403 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 449876.

The product of its (nonzero) digits is 8640, while the sum is 28.

Adding to 22113453403 its reverse (30435431122), we get a palindrome (52548884525).

The spelling of 22113453403 in words is "twenty-two billion, one hundred thirteen million, four hundred fifty-three thousand, four hundred three".