22111453 has 12 divisors (see below), whose sum is σ = 27365088. Its totient is φ = 17493840.

The previous prime is 22111447. The next prime is 22111471. The reversal of 22111453 is 35411122.

It is not a de Polignac number, because 22111453 - 2¹³ = 22103261 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 22111453.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22111433) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 8163 + ... + 10528.

It is an arithmetic number, because the mean of its divisors is an integer number (2280424).

Almost surely, 2^22111453 is an apocalyptic number.

It is an amenable number.

22111453 is a deficient number, since it is larger than the sum of its proper divisors (5253635).

22111453 is a wasteful number, since it uses less digits than its factorization.

22111453 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18724 (or 18711 counting only the distinct ones).

The product of its digits is 240, while the sum is 19.

The square root of 22111453 is about 4702.2816802059. The cubic root of 22111453 is about 280.6763115515.

Adding to 22111453 its reverse (35411122), we get a palindrome (57522575).

The spelling of 22111453 in words is "twenty-two million, one hundred eleven thousand, four hundred fifty-three".