40227165 has 64 divisors (see below), whose sum is σ = 79073280. Its totient is φ = 19241280.

The previous prime is 40227163. The next prime is 40227167. The reversal of 40227165 is 56172204.

It is an interprime number because it is at equal distance from previous prime (40227163) and next prime (40227167).

It is not a de Polignac number, because 40227165 - 2¹ = 40227163 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40227163) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 152824 + ... + 153086.

It is an arithmetic number, because the mean of its divisors is an integer number (1235520).

Almost surely, 2^40227165 is an apocalyptic number.

40227165 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

40227165 is a deficient number, since it is larger than the sum of its proper divisors (38846115).

40227165 is a wasteful number, since it uses less digits than its factorization.

40227165 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 391 (or 385 counting only the distinct ones).

The product of its (nonzero) digits is 3360, while the sum is 27.

The square root of 40227165 is about 6342.4888647912. The cubic root of 40227165 is about 342.6413787545.

Adding to 40227165 its reverse (56172204), we get a palindrome (96399369).

The spelling of 40227165 in words is "forty million, two hundred twenty-seven thousand, one hundred sixty-five".