250225302221 has 4 divisors (see below), whose sum is σ = 251482716000. Its totient is φ = 248967888444.

The previous prime is 250225302209. The next prime is 250225302253. The reversal of 250225302221 is 122203522052.

250225302221 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 250225302221 - 2³⁴ = 233045433037 is a prime.

It is a super-3 number, since 3×250225302221³ (a number of 35 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (250225302281) 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 3 ways as a sum of consecutive naturals, for example, 628706591 + ... + 628706988.

It is an arithmetic number, because the mean of its divisors is an integer number (62870679000).

Almost surely, 2^250225302221 is an apocalyptic number.

It is an amenable number.

250225302221 is a deficient number, since it is larger than the sum of its proper divisors (1257413779).

250225302221 is a wasteful number, since it uses less digits than its factorization.

250225302221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1257413778.

The product of its (nonzero) digits is 4800, while the sum is 26.

Adding to 250225302221 its reverse (122203522052), we get a palindrome (372428824273).

The spelling of 250225302221 in words is "two hundred fifty billion, two hundred twenty-five million, three hundred two thousand, two hundred twenty-one".