228732554 has 8 divisors (see below), whose sum is σ = 348723588. Its totient is φ = 112491360.

The previous prime is 228732551. The next prime is 228732587. The reversal of 228732554 is 455237822.

228732554 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 148181929 + 80550625 = 12173^2 + 8975^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (228732551) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 937307 + ... + 937550.

Almost surely, 2^228732554 is an apocalyptic number.

228732554 is a deficient number, since it is larger than the sum of its proper divisors (119991034).

228732554 is a wasteful number, since it uses less digits than its factorization.

228732554 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1874920.

The product of its digits is 134400, while the sum is 38.

The square root of 228732554 is about 15123.9067042878. The cubic root of 228732554 is about 611.5650522133.

The spelling of 228732554 in words is "two hundred twenty-eight million, seven hundred thirty-two thousand, five hundred fifty-four".