165222341 has 4 divisors (see below), whose sum is σ = 165339552. Its totient is φ = 165105132.

The previous prime is 165222329. The next prime is 165222389. The reversal of 165222341 is 143222561.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-165222341 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 165222341.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (165222311) 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, 56465 + ... + 59318.

It is an arithmetic number, because the mean of its divisors is an integer number (41334888).

Almost surely, 2^165222341 is an apocalyptic number.

It is an amenable number.

165222341 is a deficient number, since it is larger than the sum of its proper divisors (117211).

165222341 is a wasteful number, since it uses less digits than its factorization.

165222341 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 117210.

The product of its digits is 2880, while the sum is 26.

The square root of 165222341 is about 12853.8842767469. The cubic root of 165222341 is about 548.7269077720.

The spelling of 165222341 in words is "one hundred sixty-five million, two hundred twenty-two thousand, three hundred forty-one".