250228188 has 144 divisors (see below), whose sum is σ = 759542784. Its totient is φ = 67962240.

The previous prime is 250228177. The next prime is 250228213. The reversal of 250228188 is 881822052.

It is a happy number.

250228188 is a `hidden beast` number, since 250 + 228 + 188 = 666.

It is a super-2 number, since 2×250228188² = 125228292139526688, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

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 47 ways as a sum of consecutive naturals, for example, 437943 + ... + 438513.

Almost surely, 2^250228188 is an apocalyptic number.

250228188 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 250228188, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (379771392).

250228188 is an abundant number, since it is smaller than the sum of its proper divisors (509314596).

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

250228188 is a wasteful number, since it uses less digits than its factorization.

250228188 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 672 (or 667 counting only the distinct ones).

The product of its (nonzero) digits is 20480, while the sum is 36.

The square root of 250228188 is about 15818.6025931496. The cubic root of 250228188 is about 630.1521325722.

The spelling of 250228188 in words is "two hundred fifty million, two hundred twenty-eight thousand, one hundred eighty-eight".