22453450403 has 4 divisors (see below), whose sum is σ = 22453755240. Its totient is φ = 22453145568.

The previous prime is 22453450373. The next prime is 22453450421. The reversal of 22453450403 is 30405435422.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 22453450403 - 2³⁴ = 5273581219 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 22453450403.

It is not an unprimeable number, because it can be changed into a prime (22453450493) 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, 34376 + ... + 214682.

It is an arithmetic number, because the mean of its divisors is an integer number (5613438810).

Almost surely, 2^22453450403 is an apocalyptic number.

22453450403 is a deficient number, since it is larger than the sum of its proper divisors (304837).

22453450403 is a wasteful number, since it uses less digits than its factorization.

22453450403 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 304836.

The product of its (nonzero) digits is 57600, while the sum is 32.

Adding to 22453450403 its reverse (30405435422), we get a palindrome (52858885825).

The spelling of 22453450403 in words is "twenty-two billion, four hundred fifty-three million, four hundred fifty thousand, four hundred three".