228977379 has 24 divisors (see below), whose sum is σ = 348862800. Its totient is φ = 144322560.

The previous prime is 228977321. The next prime is 228977387. The reversal of 228977379 is 973779822.

It is not a de Polignac number, because 228977379 - 2¹³ = 228969187 is a prime.

It is not an unprimeable number, because it can be changed into a prime (228977179) 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 23 ways as a sum of consecutive naturals, for example, 108567 + ... + 110655.

It is an arithmetic number, because the mean of its divisors is an integer number (14535950).

Almost surely, 2^228977379 is an apocalyptic number.

228977379 is a deficient number, since it is larger than the sum of its proper divisors (119885421).

228977379 is a wasteful number, since it uses less digits than its factorization.

228977379 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2755 (or 2752 counting only the distinct ones).

The product of its digits is 2667168, while the sum is 54.

The square root of 228977379 is about 15131.9985130848. The cubic root of 228977379 is about 611.7831716180.

It can be divided in two parts, 22897 and 7379, that added together give a square (30276 = 174²).

The spelling of 228977379 in words is "two hundred twenty-eight million, nine hundred seventy-seven thousand, three hundred seventy-nine".