165003422 has 4 divisors (see below), whose sum is σ = 247505136. Its totient is φ = 82501710.

The previous prime is 165003413. The next prime is 165003439. The reversal of 165003422 is 224300561.

165003422 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 224300561 = 10159 ⋅22079.

It is a super-2 number, since 2×165003422² = 54452258543420168, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41250854 + ... + 41250857.

It is an arithmetic number, because the mean of its divisors is an integer number (61876284).

Almost surely, 2^165003422 is an apocalyptic number.

165003422 is a deficient number, since it is larger than the sum of its proper divisors (82501714).

165003422 is an equidigital number, since it uses as much as digits as its factorization.

165003422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 82501713.

The product of its (nonzero) digits is 1440, while the sum is 23.

The square root of 165003422 is about 12845.3657791439. The cubic root of 165003422 is about 548.4844469358.

Adding to 165003422 its reverse (224300561), we get a palindrome (389303983).

The spelling of 165003422 in words is "one hundred sixty-five million, three thousand, four hundred twenty-two".