250440222 has 16 divisors (see below), whose sum is σ = 501126912. Its totient is φ = 83439000.

The previous prime is 250440221. The next prime is 250440257. The reversal of 250440222 is 222044052.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (250440221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4597 + ... + 22847.

It is an arithmetic number, because the mean of its divisors is an integer number (31320432).

Almost surely, 2^250440222 is an apocalyptic number.

250440222 is an abundant number, since it is smaller than the sum of its proper divisors (250686690).

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

250440222 is a wasteful number, since it uses less digits than its factorization.

250440222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20543.

The product of its (nonzero) digits is 1280, while the sum is 21.

The square root of 250440222 is about 15825.3032198438. The cubic root of 250440222 is about 630.3300714319.

Adding to 250440222 its reverse (222044052), we get a palindrome (472484274).

The spelling of 250440222 in words is "two hundred fifty million, four hundred forty thousand, two hundred twenty-two".