162440223 has 32 divisors (see below), whose sum is σ = 245721600. Its totient is φ = 94550400.

The previous prime is 162440221. The next prime is 162440233. The reversal of 162440223 is 322044261.

It is not a de Polignac number, because 162440223 - 2¹ = 162440221 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 162440193 and 162440202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (162440221) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 257118 + ... + 257748.

It is an arithmetic number, because the mean of its divisors is an integer number (7678800).

Almost surely, 2^162440223 is an apocalyptic number.

162440223 is a deficient number, since it is larger than the sum of its proper divisors (83281377).

162440223 is a wasteful number, since it uses less digits than its factorization.

162440223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 943.

The product of its (nonzero) digits is 2304, while the sum is 24.

The square root of 162440223 is about 12745.2039214757. The cubic root of 162440223 is about 545.6295203062.

Adding to 162440223 its reverse (322044261), we get a palindrome (484484484).

The spelling of 162440223 in words is "one hundred sixty-two million, four hundred forty thousand, two hundred twenty-three".