228780250 has 32 divisors (see below), whose sum is σ = 439869456. Its totient is φ = 89035200.

The previous prime is 228780221. The next prime is 228780283. The reversal of 228780250 is 52087822.

It can be written as a sum of positive squares in 8 ways, for example, as 3690241 + 225090009 = 1921^2 + 15003^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3117 + ... + 21616.

Almost surely, 2^228780250 is an apocalyptic number.

228780250 is a deficient number, since it is larger than the sum of its proper divisors (211089206).

228780250 is a wasteful number, since it uses less digits than its factorization.

228780250 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24787 (or 24777 counting only the distinct ones).

The product of its (nonzero) digits is 17920, while the sum is 34.

The square root of 228780250 is about 15125.4834633475. The cubic root of 228780250 is about 611.6075577203.

The spelling of 228780250 in words is "two hundred twenty-eight million, seven hundred eighty thousand, two hundred fifty".