228405754 has 4 divisors (see below), whose sum is σ = 342608634. Its totient is φ = 114202876.

The previous prime is 228405739. The next prime is 228405763. The reversal of 228405754 is 457504822.

It is a happy number.

228405754 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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., 222755625 + 5650129 = 14925^2 + 2377^2 .

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 57101437 + ... + 57101440.

Almost surely, 2^228405754 is an apocalyptic number.

228405754 is a deficient number, since it is larger than the sum of its proper divisors (114202880).

228405754 is a wasteful number, since it uses less digits than its factorization.

228405754 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 114202879.

The product of its (nonzero) digits is 89600, while the sum is 37.

The square root of 228405754 is about 15113.0987557152. The cubic root of 228405754 is about 611.2736569954.

The spelling of 228405754 in words is "two hundred twenty-eight million, four hundred five thousand, seven hundred fifty-four".