228519554 has 4 divisors (see below), whose sum is σ = 342779334. Its totient is φ = 114259776.

The previous prime is 228519539. The next prime is 228519581. The reversal of 228519554 is 455915822.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 223353025 + 5166529 = 14945^2 + 2273^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 57129887 + ... + 57129890.

Almost surely, 2^228519554 is an apocalyptic number.

228519554 is a deficient number, since it is larger than the sum of its proper divisors (114259780).

228519554 is a wasteful number, since it uses less digits than its factorization.

228519554 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 114259779.

The product of its digits is 144000, while the sum is 41.

The square root of 228519554 is about 15116.8632328271. The cubic root of 228519554 is about 611.3751596812.

The spelling of 228519554 in words is "two hundred twenty-eight million, five hundred nineteen thousand, five hundred fifty-four".