22355555473 has 4 divisors (see below), whose sum is σ = 22373746740. Its totient is φ = 22337364208.

The previous prime is 22355555459. The next prime is 22355555483. The reversal of 22355555473 is 37455555322.

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 16137129024 + 6218426449 = 127032^2 + 78857^2 .

It is a cyclic number.

It is not a de Polignac number, because 22355555473 - 2¹⁷ = 22355424401 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22355555413) 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, 9093790 + ... + 9096247.

It is an arithmetic number, because the mean of its divisors is an integer number (5593436685).

Almost surely, 2^22355555473 is an apocalyptic number.

It is an amenable number.

22355555473 is a deficient number, since it is larger than the sum of its proper divisors (18191267).

22355555473 is a wasteful number, since it uses less digits than its factorization.

22355555473 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18191266.

The product of its digits is 3150000, while the sum is 46.

The spelling of 22355555473 in words is "twenty-two billion, three hundred fifty-five million, five hundred fifty-five thousand, four hundred seventy-three".