228361577 has 8 divisors (see below), whose sum is σ = 233979840. Its totient is φ = 222791920.

The previous prime is 228361559. The next prime is 228361591. The reversal of 228361577 is 775163822.

228361577 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 228361577 - 2⁸ = 228361321 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (228361277) 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, 2549 + ... + 21522.

It is an arithmetic number, because the mean of its divisors is an integer number (29247480).

Almost surely, 2^228361577 is an apocalyptic number.

It is an amenable number.

228361577 is a deficient number, since it is larger than the sum of its proper divisors (5618263).

228361577 is a wasteful number, since it uses less digits than its factorization.

228361577 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24303.

The product of its digits is 141120, while the sum is 41.

The square root of 228361577 is about 15111.6371383117. The cubic root of 228361577 is about 611.2342447111.

The spelling of 228361577 in words is "two hundred twenty-eight million, three hundred sixty-one thousand, five hundred seventy-seven".