228553449 has 16 divisors (see below), whose sum is σ = 307781760. Its totient is φ = 150854400.

The previous prime is 228553439. The next prime is 228553453. The reversal of 228553449 is 944355822.

It is not a de Polignac number, because 228553449 - 2⁵ = 228553417 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 228553449.

It is not an unprimeable number, because it can be changed into a prime (228553439) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 175569 + ... + 176865.

It is an arithmetic number, because the mean of its divisors is an integer number (19236360).

Almost surely, 2^228553449 is an apocalyptic number.

It is an amenable number.

228553449 is a deficient number, since it is larger than the sum of its proper divisors (79228311).

228553449 is a wasteful number, since it uses less digits than its factorization.

228553449 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1840.

The product of its digits is 345600, while the sum is 42.

The square root of 228553449 is about 15117.9842902419. The cubic root of 228553449 is about 611.4053854484.

The spelling of 228553449 in words is "two hundred twenty-eight million, five hundred fifty-three thousand, four hundred forty-nine".