250342221 has 16 divisors (see below), whose sum is σ = 356863104. Its totient is φ = 155549184.

The previous prime is 250342207. The next prime is 250342241. The reversal of 250342221 is 122243052.

It is not a de Polignac number, because 250342221 - 2⁷ = 250342093 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (250342241) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 18576 + ... + 29081.

It is an arithmetic number, because the mean of its divisors is an integer number (22303944).

Almost surely, 2^250342221 is an apocalyptic number.

It is an amenable number.

250342221 is a deficient number, since it is larger than the sum of its proper divisors (106520883).

250342221 is a wasteful number, since it uses less digits than its factorization.

250342221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47780.

The product of its (nonzero) digits is 960, while the sum is 21.

The square root of 250342221 is about 15822.2065780978. The cubic root of 250342221 is about 630.2478415140.

Adding to 250342221 its reverse (122243052), we get a palindrome (372585273).

The spelling of 250342221 in words is "two hundred fifty million, three hundred forty-two thousand, two hundred twenty-one".