22355532253 has 4 divisors (see below), whose sum is σ = 23670563580. Its totient is φ = 21040500928.

The previous prime is 22355532217. The next prime is 22355532271. The reversal of 22355532253 is 35223555322.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 11330112249 + 11025420004 = 106443^2 + 105002^2 .

It is a cyclic number.

It is not a de Polignac number, because 22355532253 - 2²¹ = 22353435101 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 (22355532653) 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, 657515638 + ... + 657515671.

It is an arithmetic number, because the mean of its divisors is an integer number (5917640895).

Almost surely, 2^22355532253 is an apocalyptic number.

It is an amenable number.

22355532253 is a deficient number, since it is larger than the sum of its proper divisors (1315031327).

22355532253 is a wasteful number, since it uses less digits than its factorization.

22355532253 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1315031326.

The product of its digits is 270000, while the sum is 37.

The spelling of 22355532253 in words is "twenty-two billion, three hundred fifty-five million, five hundred thirty-two thousand, two hundred fifty-three".