228207892 has 12 divisors (see below), whose sum is σ = 435669696. Its totient is φ = 103730840.

The previous prime is 228207883. The next prime is 228207911. The reversal of 228207892 is 298702822.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2593228 + ... + 2593315.

It is an arithmetic number, because the mean of its divisors is an integer number (36305808).

Almost surely, 2^228207892 is an apocalyptic number.

228207892 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

228207892 is a deficient number, since it is larger than the sum of its proper divisors (207461804).

228207892 is a wasteful number, since it uses less digits than its factorization.

228207892 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5186558 (or 5186556 counting only the distinct ones).

The product of its (nonzero) digits is 64512, while the sum is 40.

The square root of 228207892 is about 15106.5512940578. The cubic root of 228207892 is about 611.0970958133.

The spelling of 228207892 in words is "two hundred twenty-eight million, two hundred seven thousand, eight hundred ninety-two".