228135452 has 24 divisors (see below), whose sum is σ = 404904192. Its totient is φ = 112460400.

The previous prime is 228135443. The next prime is 228135463. The reversal of 228135452 is 254531822.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 84077 + ... + 86747.

It is an arithmetic number, because the mean of its divisors is an integer number (16871008).

Almost surely, 2^228135452 is an apocalyptic number.

It is an amenable number.

228135452 is a deficient number, since it is larger than the sum of its proper divisors (176768740).

228135452 is a wasteful number, since it uses less digits than its factorization.

228135452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2969 (or 2967 counting only the distinct ones).

The product of its digits is 19200, while the sum is 32.

The square root of 228135452 is about 15104.1534685000. The cubic root of 228135452 is about 611.0324288145.

The spelling of 228135452 in words is "two hundred twenty-eight million, one hundred thirty-five thousand, four hundred fifty-two".