228410431 has 4 divisors (see below), whose sum is σ = 230628112. Its totient is φ = 226192752.

The previous prime is 228410423. The next prime is 228410461. The reversal of 228410431 is 134014822.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 134014822 = 2 ⋅67007411.

It is a cyclic number.

It is not a de Polignac number, because 228410431 - 2³ = 228410423 is a prime.

It is a super-2 number, since 2×228410431² = 104342649979211522, 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 = 228410396 and 228410405.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (228410461) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1108686 + ... + 1108891.

It is an arithmetic number, because the mean of its divisors is an integer number (57657028).

Almost surely, 2^228410431 is an apocalyptic number.

228410431 is a deficient number, since it is larger than the sum of its proper divisors (2217681).

228410431 is a wasteful number, since it uses less digits than its factorization.

228410431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2217680.

The product of its (nonzero) digits is 1536, while the sum is 25.

The square root of 228410431 is about 15113.2534882467. The cubic root of 228410431 is about 611.2778292595.

The spelling of 228410431 in words is "two hundred twenty-eight million, four hundred ten thousand, four hundred thirty-one".