22135453 has 8 divisors (see below), whose sum is σ = 23145408. Its totient is φ = 21129504.

The previous prime is 22135447. The next prime is 22135459. The reversal of 22135453 is 35453122.

It is an interprime number because it is at equal distance from previous prime (22135447) and next prime (22135459).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 22135453 - 2⁹ = 22134941 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22135459) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19150 + ... + 20272.

It is an arithmetic number, because the mean of its divisors is an integer number (2893176).

Almost surely, 2^22135453 is an apocalyptic number.

22135453 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

It is an amenable number.

22135453 is a deficient number, since it is larger than the sum of its proper divisors (1009955).

22135453 is a wasteful number, since it uses less digits than its factorization.

22135453 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2003.

The product of its digits is 3600, while the sum is 25.

The square root of 22135453 is about 4704.8329407111. The cubic root of 22135453 is about 280.7778244907. Note that the first 3 decimals are identical.

Adding to 22135453 its reverse (35453122), we get a palindrome (57588575).

The spelling of 22135453 in words is "twenty-two million, one hundred thirty-five thousand, four hundred fifty-three".