22353404553 has 24 divisors (see below), whose sum is σ = 33175820808. Its totient is φ = 14492984832.

The previous prime is 22353404543. The next prime is 22353404587. The reversal of 22353404553 is 35540435322.

22353404553 is a `hidden beast` number, since 223 + 5 + 340 + 45 + 53 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 15838977609 + 6514426944 = 125853^2 + 80712^2 .

It is not a de Polignac number, because 22353404553 - 2¹⁰ = 22353403529 is a prime.

It is a super-2 number, since 2×22353404553² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (22353404503) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 790975 + ... + 818747.

It is an arithmetic number, because the mean of its divisors is an integer number (1382325867).

Almost surely, 2^22353404553 is an apocalyptic number.

It is an amenable number.

22353404553 is a deficient number, since it is larger than the sum of its proper divisors (10822416255).

22353404553 is a wasteful number, since it uses less digits than its factorization.

22353404553 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30233 (or 30230 counting only the distinct ones).

The product of its (nonzero) digits is 216000, while the sum is 36.

Adding to 22353404553 its reverse (35540435322), we get a palindrome (57893839875).

The spelling of 22353404553 in words is "twenty-two billion, three hundred fifty-three million, four hundred four thousand, five hundred fifty-three".