167431228 has 6 divisors (see below), whose sum is σ = 293004656. Its totient is φ = 83715612.

The previous prime is 167431193. The next prime is 167431247. The reversal of 167431228 is 822134761.

It is a super-2 number, since 2×167431228² = 56066432219175968, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 167431193 and 167431202.

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, 20928900 + ... + 20928907.

Almost surely, 2^167431228 is an apocalyptic number.

It is an amenable number.

167431228 is a deficient number, since it is larger than the sum of its proper divisors (125573428).

167431228 is a wasteful number, since it uses less digits than its factorization.

167431228 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41857811 (or 41857809 counting only the distinct ones).

The product of its digits is 16128, while the sum is 34.

The square root of 167431228 is about 12939.5219386189. The cubic root of 167431228 is about 551.1614332819.

Adding to 167431228 its reverse (822134761), we get a palindrome (989565989).

It can be divided in two parts, 16743 and 1228, that added together give a palindrome (17971).

The spelling of 167431228 in words is "one hundred sixty-seven million, four hundred thirty-one thousand, two hundred twenty-eight".