228831051 has 32 divisors (see below), whose sum is σ = 323362368. Its totient is φ = 143769600.

The previous prime is 228831049. The next prime is 228831059. The reversal of 228831051 is 150138822.

It is not a de Polignac number, because 228831051 - 2¹ = 228831049 is a prime.

It is not an unprimeable number, because it can be changed into a prime (228831059) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 570451 + ... + 570851.

It is an arithmetic number, because the mean of its divisors is an integer number (10105074).

Almost surely, 2^228831051 is an apocalyptic number.

228831051 is a deficient number, since it is larger than the sum of its proper divisors (94531317).

228831051 is a wasteful number, since it uses less digits than its factorization.

228831051 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 591.

The product of its (nonzero) digits is 3840, while the sum is 30.

The square root of 228831051 is about 15127.1626883563. The cubic root of 228831051 is about 611.6528238306.

Adding to 228831051 its reverse (150138822), we get a palindrome (378969873).

The spelling of 228831051 in words is "two hundred twenty-eight million, eight hundred thirty-one thousand, fifty-one".