228277948 has 12 divisors (see below), whose sum is σ = 399603232. Its totient is φ = 114105600.

The previous prime is 228277909. The next prime is 228277949. The reversal of 228277948 is 849772822.

It is a super-2 number, since 2×228277948² = 104221643086181408, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (228277949) 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, 13261 + ... + 25147.

Almost surely, 2^228277948 is an apocalyptic number.

It is an amenable number.

228277948 is a deficient number, since it is larger than the sum of its proper divisors (171325284).

228277948 is a wasteful number, since it uses less digits than its factorization.

228277948 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16692 (or 16690 counting only the distinct ones).

The product of its digits is 903168, while the sum is 49.

The square root of 228277948 is about 15108.8698452267. The cubic root of 228277948 is about 611.1596216061.

The spelling of 228277948 in words is "two hundred twenty-eight million, two hundred seventy-seven thousand, nine hundred forty-eight".