250215222 has 32 divisors (see below), whose sum is σ = 509902848. Its totient is φ = 81841536.

The previous prime is 250215221. The next prime is 250215227. The reversal of 250215222 is 222512052.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (250215221) 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, 68043 + ... + 71625.

It is an arithmetic number, because the mean of its divisors is an integer number (15934464).

Almost surely, 2^250215222 is an apocalyptic number.

250215222 is an abundant number, since it is smaller than the sum of its proper divisors (259687626).

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

250215222 is a wasteful number, since it uses less digits than its factorization.

250215222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3804.

The product of its (nonzero) digits is 800, while the sum is 21.

The square root of 250215222 is about 15818.1927539147. The cubic root of 250215222 is about 630.1412482486.

Adding to 250215222 its reverse (222512052), we get a palindrome (472727274).

The spelling of 250215222 in words is "two hundred fifty million, two hundred fifteen thousand, two hundred twenty-two".