222473522869 has 4 divisors (see below), whose sum is σ = 239586870796. Its totient is φ = 205360174944.

The previous prime is 222473522833. The next prime is 222473522903. The reversal of 222473522869 is 968225374222.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 968225374222 = 2 ⋅484112687111.

It can be written as a sum of positive squares in 2 ways, for example, as 85344026769 + 137129496100 = 292137^2 + 370310^2 .

It is a cyclic number.

It is not a de Polignac number, because 222473522869 - 2¹³ = 222473514677 is a prime.

It is a super-2 number, since 2×222473522869² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222473522809) 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, 8556673944 + ... + 8556673969.

It is an arithmetic number, because the mean of its divisors is an integer number (59896717699).

Almost surely, 2^222473522869 is an apocalyptic number.

It is an amenable number.

222473522869 is a deficient number, since it is larger than the sum of its proper divisors (17113347927).

222473522869 is a wasteful number, since it uses less digits than its factorization.

222473522869 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17113347926.

The product of its digits is 5806080, while the sum is 52.

The spelling of 222473522869 in words is "two hundred twenty-two billion, four hundred seventy-three million, five hundred twenty-two thousand, eight hundred sixty-nine".