74422165 has 8 divisors (see below), whose sum is σ = 92187648. Its totient is φ = 57617040.

The previous prime is 74422163. The next prime is 74422169. The reversal of 74422165 is 56122447.

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

It is not a de Polignac number, because 74422165 - 2¹ = 74422163 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74422163) 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, 239917 + ... + 240226.

It is an arithmetic number, because the mean of its divisors is an integer number (11523456).

Almost surely, 2^74422165 is an apocalyptic number.

It is an amenable number.

74422165 is a deficient number, since it is larger than the sum of its proper divisors (17765483).

74422165 is a wasteful number, since it uses less digits than its factorization.

74422165 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 480179.

The product of its digits is 13440, while the sum is 31.

The square root of 74422165 is about 8626.8282120371. The cubic root of 74422165 is about 420.6305061441.

The spelling of 74422165 in words is "seventy-four million, four hundred twenty-two thousand, one hundred sixty-five".