228473262 has 12 divisors (see below), whose sum is σ = 495025440. Its totient is φ = 76157748.

The previous prime is 228473239. The next prime is 228473321. The reversal of 228473262 is 262374822.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 6346462 + ... + 6346497.

It is an arithmetic number, because the mean of its divisors is an integer number (41252120).

Almost surely, 2^228473262 is an apocalyptic number.

228473262 is an abundant number, since it is smaller than the sum of its proper divisors (266552178).

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

228473262 is a wasteful number, since it uses less digits than its factorization.

228473262 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12692967 (or 12692964 counting only the distinct ones).

The product of its digits is 64512, while the sum is 36.

The square root of 228473262 is about 15115.3320175245. The cubic root of 228473262 is about 611.3338740965. Note that the first 3 decimals are identical.

The spelling of 228473262 in words is "two hundred twenty-eight million, four hundred seventy-three thousand, two hundred sixty-two".