228562377 has 4 divisors (see below), whose sum is σ = 304749840. Its totient is φ = 152374916.

The previous prime is 228562351. The next prime is 228562391. The reversal of 228562377 is 773265822.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 228562377 - 2¹⁶ = 228496841 is a prime.

It is not an unprimeable number, because it can be changed into a prime (228562777) 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 3 ways as a sum of consecutive naturals, for example, 38093727 + ... + 38093732.

It is an arithmetic number, because the mean of its divisors is an integer number (76187460).

Almost surely, 2^228562377 is an apocalyptic number.

It is an amenable number.

228562377 is a deficient number, since it is larger than the sum of its proper divisors (76187463).

228562377 is an equidigital number, since it uses as much as digits as its factorization.

228562377 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76187462.

The product of its digits is 282240, while the sum is 42.

The square root of 228562377 is about 15118.2795648182. The cubic root of 228562377 is about 611.4133464691.

The spelling of 228562377 in words is "two hundred twenty-eight million, five hundred sixty-two thousand, three hundred seventy-seven".