22133553 has 8 divisors (see below), whose sum is σ = 31781568. Its totient is φ = 13620624.

The previous prime is 22133543. The next prime is 22133561. The reversal of 22133553 is 35533122.

It is a happy number.

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

It is not a de Polignac number, because 22133553 - 2⁸ = 22133297 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (22133533) 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 7 ways as a sum of consecutive naturals, for example, 283725 + ... + 283802.

It is an arithmetic number, because the mean of its divisors is an integer number (3972696).

Almost surely, 2^22133553 is an apocalyptic number.

It is an amenable number.

22133553 is a deficient number, since it is larger than the sum of its proper divisors (9648015).

22133553 is a wasteful number, since it uses less digits than its factorization.

22133553 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 567543.

The product of its digits is 2700, while the sum is 24.

The square root of 22133553 is about 4704.6310163497. The cubic root of 22133553 is about 280.7697907250.

Adding to 22133553 its reverse (35533122), we get a palindrome (57666675).

The spelling of 22133553 in words is "twenty-two million, one hundred thirty-three thousand, five hundred fifty-three".