228132049 has 4 divisors (see below), whose sum is σ = 229137264. Its totient is φ = 227126836.

The previous prime is 228132041. The next prime is 228132089. The reversal of 228132049 is 940231822.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 228132049 - 2³ = 228132041 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 228132049.

It is not an unprimeable number, because it can be changed into a prime (228132041) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 502267 + ... + 502720.

It is an arithmetic number, because the mean of its divisors is an integer number (57284316).

Almost surely, 2^228132049 is an apocalyptic number.

It is an amenable number.

228132049 is a deficient number, since it is larger than the sum of its proper divisors (1005215).

228132049 is a wasteful number, since it uses less digits than its factorization.

228132049 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1005214.

The product of its (nonzero) digits is 6912, while the sum is 31.

The square root of 228132049 is about 15104.0408169470. The cubic root of 228132049 is about 611.0293906286.

The spelling of 228132049 in words is "two hundred twenty-eight million, one hundred thirty-two thousand, forty-nine".