250412220 has 72 divisors (see below), whose sum is σ = 777272496. Its totient is φ = 65221632.

The previous prime is 250412219. The next prime is 250412237. The reversal of 250412220 is 22214052.

250412220 is a `hidden beast` number, since 250 + 412 + 2 + 2 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 250412193 and 250412202.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 8437 + ... + 23916.

Almost surely, 2^250412220 is an apocalyptic number.

250412220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

250412220 is an abundant number, since it is smaller than the sum of its proper divisors (526860276).

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

250412220 is a wasteful number, since it uses less digits than its factorization.

250412220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32411 (or 32406 counting only the distinct ones).

The product of its (nonzero) digits is 320, while the sum is 18.

The square root of 250412220 is about 15824.4184727275. The cubic root of 250412220 is about 630.3065779206.

Adding to 250412220 its reverse (22214052), we get a palindrome (272626272).

It can be divided in two parts, 25041 and 2220, that added together give a triangular number (27261 = T₂₃₃).

The spelling of 250412220 in words is "two hundred fifty million, four hundred twelve thousand, two hundred twenty".