250233221 has 8 divisors (see below), whose sum is σ = 288039360. Its totient is φ = 212941728.

The previous prime is 250233167. The next prime is 250233233. The reversal of 250233221 is 122332052.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 250233221 - 2⁶ = 250233157 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 250233193 and 250233202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (250233121) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 127616 + ... + 129561.

It is an arithmetic number, because the mean of its divisors is an integer number (36004920).

Almost surely, 2^250233221 is an apocalyptic number.

It is an amenable number.

250233221 is a deficient number, since it is larger than the sum of its proper divisors (37806139).

250233221 is a wasteful number, since it uses less digits than its factorization.

250233221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 257323.

The product of its (nonzero) digits is 720, while the sum is 20.

The square root of 250233221 is about 15818.7616771984. The cubic root of 250233221 is about 630.1563574285.

Adding to 250233221 its reverse (122332052), we get a palindrome (372565273).

The spelling of 250233221 in words is "two hundred fifty million, two hundred thirty-three thousand, two hundred twenty-one".