162230431 has 8 divisors (see below), whose sum is σ = 184673664. Its totient is φ = 141069720.

The previous prime is 162230429. The next prime is 162230441. The reversal of 162230431 is 134032261.

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

It is not a de Polignac number, because 162230431 - 2¹ = 162230429 is a prime.

It is a super-2 number, since 2×162230431² = 52637425484891522, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (162230441) 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, 320361 + ... + 320866.

It is an arithmetic number, because the mean of its divisors is an integer number (23084208).

Almost surely, 2^162230431 is an apocalyptic number.

162230431 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

162230431 is a deficient number, since it is larger than the sum of its proper divisors (22443233).

162230431 is a wasteful number, since it uses less digits than its factorization.

162230431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 641261.

The product of its (nonzero) digits is 864, while the sum is 22.

The square root of 162230431 is about 12736.9710292518. The cubic root of 162230431 is about 545.3945250969.

Adding to 162230431 its reverse (134032261), we get a palindrome (296262692).

The spelling of 162230431 in words is "one hundred sixty-two million, two hundred thirty thousand, four hundred thirty-one".