228562457 has 16 divisors (see below), whose sum is σ = 246739200. Its totient is φ = 211626864.

The previous prime is 228562423. The next prime is 228562463. The reversal of 228562457 is 754265822.

It is not a de Polignac number, because 228562457 - 2¹⁰ = 228561433 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (228592457) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 322019 + ... + 322727.

It is an arithmetic number, because the mean of its divisors is an integer number (15421200).

Almost surely, 2^228562457 is an apocalyptic number.

It is an amenable number.

228562457 is a deficient number, since it is larger than the sum of its proper divisors (18176743).

228562457 is an frugal number, since it uses more digits than its factorization.

228562457 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 813 (or 775 counting only the distinct ones).

The product of its digits is 268800, while the sum is 41.

The square root of 228562457 is about 15118.2822106217. The cubic root of 228562457 is about 611.4134178035.

The spelling of 228562457 in words is "two hundred twenty-eight million, five hundred sixty-two thousand, four hundred fifty-seven".