40173226 has 8 divisors (see below), whose sum is σ = 62879904. Its totient is φ = 19213260.

The previous prime is 40173209. The next prime is 40173247. The reversal of 40173226 is 62237104.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×40173226² = 3227776174494152, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 40173226.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 436620 + ... + 436711.

It is an arithmetic number, because the mean of its divisors is an integer number (7859988).

Almost surely, 2^40173226 is an apocalyptic number.

40173226 is a gapful number since it is divisible by the number (46) formed by its first and last digit.

40173226 is a deficient number, since it is larger than the sum of its proper divisors (22706678).

40173226 is a wasteful number, since it uses less digits than its factorization.

40173226 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 873356.

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

The square root of 40173226 is about 6338.2352433465. The cubic root of 40173226 is about 342.4881655385.

The spelling of 40173226 in words is "forty million, one hundred seventy-three thousand, two hundred twenty-six".