228334531 has 8 divisors (see below), whose sum is σ = 242171424. Its totient is φ = 214542720.

The previous prime is 228334523. The next prime is 228334537. The reversal of 228334531 is 135433822.

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

It is not a de Polignac number, because 228334531 - 2³ = 228334523 is a prime.

It is a super-2 number, since 2×228334531² = 104273316093979922, 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 = 228334493 and 228334502.

It is not an unprimeable number, because it can be changed into a prime (228334537) 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, 535 + ... + 21376.

It is an arithmetic number, because the mean of its divisors is an integer number (30271428).

Almost surely, 2^228334531 is an apocalyptic number.

228334531 is a deficient number, since it is larger than the sum of its proper divisors (13836893).

228334531 is a wasteful number, since it uses less digits than its factorization.

228334531 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22541.

The product of its digits is 17280, while the sum is 31.

The square root of 228334531 is about 15110.7422385533. The cubic root of 228334531 is about 611.2101132521.

The spelling of 228334531 in words is "two hundred twenty-eight million, three hundred thirty-four thousand, five hundred thirty-one".