228154435 has 4 divisors (see below), whose sum is σ = 273785328. Its totient is φ = 182523544.

The previous prime is 228154429. The next prime is 228154471. The reversal of 228154435 is 534451822.

228154435 is digitally balanced in base 2, 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 is a cyclic number.

It is not a de Polignac number, because 228154435 - 2³ = 228154427 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 228154435.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22815439 + ... + 22815448.

It is an arithmetic number, because the mean of its divisors is an integer number (68446332).

Almost surely, 2^228154435 is an apocalyptic number.

228154435 is a deficient number, since it is larger than the sum of its proper divisors (45630893).

228154435 is an equidigital number, since it uses as much as digits as its factorization.

228154435 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45630892.

The product of its digits is 38400, while the sum is 34.

The square root of 228154435 is about 15104.7818587360. The cubic root of 228154435 is about 611.0493762124.

The spelling of 228154435 in words is "two hundred twenty-eight million, one hundred fifty-four thousand, four hundred thirty-five".