40622173 has 4 divisors (see below), whose sum is σ = 40649148. Its totient is φ = 40595200.

The previous prime is 40622159. The next prime is 40622207. The reversal of 40622173 is 37122604.

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 21279769 + 19342404 = 4613^2 + 4398^2 .

It is a cyclic number.

It is not a de Polignac number, because 40622173 - 2¹³ = 40613981 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 (40622123) 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, 11086 + ... + 14287.

It is an arithmetic number, because the mean of its divisors is an integer number (10162287).

Almost surely, 2^40622173 is an apocalyptic number.

It is an amenable number.

40622173 is a deficient number, since it is larger than the sum of its proper divisors (26975).

40622173 is a wasteful number, since it uses less digits than its factorization.

40622173 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26974.

The product of its (nonzero) digits is 2016, while the sum is 25.

The square root of 40622173 is about 6373.5526200071. The cubic root of 40622173 is about 343.7592425945.

Adding to 40622173 its reverse (37122604), we get a palindrome (77744777).

The spelling of 40622173 in words is "forty million, six hundred twenty-two thousand, one hundred seventy-three".