228358377 has 24 divisors (see below), whose sum is σ = 357357000. Its totient is φ = 140516064.

The previous prime is 228358373. The next prime is 228358387. The reversal of 228358377 is 773853822.

228358377 is a `hidden beast` number, since 228 + 3 + 58 + 377 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 18224361 + 210134016 = 4269^2 + 14496^2 .

It is not a de Polignac number, because 228358377 - 2² = 228358373 is a prime.

It is not an unprimeable number, because it can be changed into a prime (228358373) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 13999 + ... + 25547.

It is an arithmetic number, because the mean of its divisors is an integer number (14889875).

Almost surely, 2^228358377 is an apocalyptic number.

It is an amenable number.

228358377 is a deficient number, since it is larger than the sum of its proper divisors (128998623).

228358377 is a wasteful number, since it uses less digits than its factorization.

228358377 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11594 (or 11565 counting only the distinct ones).

The product of its digits is 564480, while the sum is 45.

The square root of 228358377 is about 15111.5312592735. The cubic root of 228358377 is about 611.2313896501.

The spelling of 228358377 in words is "two hundred twenty-eight million, three hundred fifty-eight thousand, three hundred seventy-seven".