228455948 has 24 divisors (see below), whose sum is σ = 458052000. Its totient is φ = 97665408.

The previous prime is 228455893. The next prime is 228455951. The reversal of 228455948 is 849554822.

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, 1478 + ... + 21426.

It is an arithmetic number, because the mean of its divisors is an integer number (19085500).

Almost surely, 2^228455948 is an apocalyptic number.

228455948 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

228455948 is an abundant number, since it is smaller than the sum of its proper divisors (229596052).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

228455948 is a wasteful number, since it uses less digits than its factorization.

228455948 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20369 (or 20367 counting only the distinct ones).

The product of its digits is 921600, while the sum is 47.

The square root of 228455948 is about 15114.7592769452. The cubic root of 228455948 is about 611.3184311486.

The spelling of 228455948 in words is "two hundred twenty-eight million, four hundred fifty-five thousand, nine hundred forty-eight".