162422431 has 8 divisors (see below), whose sum is σ = 171860720. Its totient is φ = 153073152.

The previous prime is 162422411. The next prime is 162422453. The reversal of 162422431 is 134224261.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 162422431 - 2⁵ = 162422399 is a prime.

It is a super-2 number, since 2×162422431² = 52762092183899522, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 162422396 and 162422405.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (162422411) 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, 18480 + ... + 25813.

It is an arithmetic number, because the mean of its divisors is an integer number (21482590).

Almost surely, 2^162422431 is an apocalyptic number.

162422431 is a deficient number, since it is larger than the sum of its proper divisors (9438289).

162422431 is a wasteful number, since it uses less digits than its factorization.

162422431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44505.

The product of its digits is 2304, while the sum is 25.

The square root of 162422431 is about 12744.5059143146. The cubic root of 162422431 is about 545.6095987320.

Adding to 162422431 its reverse (134224261), we get a palindrome (296646692).

The spelling of 162422431 in words is "one hundred sixty-two million, four hundred twenty-two thousand, four hundred thirty-one".