40228171 has 8 divisors (see below), whose sum is σ = 42657840. Its totient is φ = 37805568.

The previous prime is 40228163. The next prime is 40228231. The reversal of 40228171 is 17182204.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 40228171 - 2³ = 40228163 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40228271) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14115 + ... + 16723.

It is an arithmetic number, because the mean of its divisors is an integer number (5332230).

Almost surely, 2^40228171 is an apocalyptic number.

40228171 is a deficient number, since it is larger than the sum of its proper divisors (2429669).

40228171 is a wasteful number, since it uses less digits than its factorization.

40228171 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3533.

The product of its (nonzero) digits is 896, while the sum is 25.

The square root of 40228171 is about 6342.5681707018. The cubic root of 40228171 is about 342.6442349865.

The spelling of 40228171 in words is "forty million, two hundred twenty-eight thousand, one hundred seventy-one".