22273173 has 12 divisors (see below), whose sum is σ = 34647340. Its totient is φ = 13706496.

The previous prime is 22273171. The next prime is 22273193. The reversal of 22273173 is 37137222.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 956484 + 21316689 = 978^2 + 4617^2 .

It is not a de Polignac number, because 22273173 - 2¹ = 22273171 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22273171) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 95068 + ... + 95301.

Almost surely, 2^22273173 is an apocalyptic number.

It is an amenable number.

22273173 is a deficient number, since it is larger than the sum of its proper divisors (12374167).

22273173 is a wasteful number, since it uses less digits than its factorization.

22273173 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 190388 (or 190385 counting only the distinct ones).

The product of its digits is 3528, while the sum is 27.

The square root of 22273173 is about 4719.4462598911. The cubic root of 22273173 is about 281.3589255124.

The spelling of 22273173 in words is "twenty-two million, two hundred seventy-three thousand, one hundred seventy-three".