228873349 has 4 divisors (see below), whose sum is σ = 231770560. Its totient is φ = 225976140.

The previous prime is 228873347. The next prime is 228873389. The reversal of 228873349 is 943378822.

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 228873349 - 2¹ = 228873347 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 228873299 and 228873308.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (228873347) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1448487 + ... + 1448644.

It is an arithmetic number, because the mean of its divisors is an integer number (57942640).

Almost surely, 2^228873349 is an apocalyptic number.

It is an amenable number.

228873349 is a deficient number, since it is larger than the sum of its proper divisors (2897211).

228873349 is an equidigital number, since it uses as much as digits as its factorization.

228873349 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2897210.

The product of its digits is 580608, while the sum is 46.

The square root of 228873349 is about 15128.5607048390. The cubic root of 228873349 is about 611.6905082519.

The spelling of 228873349 in words is "two hundred twenty-eight million, eight hundred seventy-three thousand, three hundred forty-nine".