250222240 has 48 divisors (see below), whose sum is σ = 595455840. Its totient is φ = 99360000.

The previous prime is 250222223. The next prime is 250222241. The reversal of 250222240 is 42222052.

It is a super-2 number, since 2×250222240² = 125222338781235200, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (250222241) 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, 16615 + ... + 27865.

It is an arithmetic number, because the mean of its divisors is an integer number (12405330).

Almost surely, 2^250222240 is an apocalyptic number.

250222240 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 250222240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (297727920).

250222240 is an abundant number, since it is smaller than the sum of its proper divisors (345233600).

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

250222240 is a wasteful number, since it uses less digits than its factorization.

250222240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11405 (or 11397 counting only the distinct ones).

The product of its (nonzero) digits is 640, while the sum is 19.

The square root of 250222240 is about 15818.4145855392. The cubic root of 250222240 is about 630.1471395635.

Adding to 250222240 its reverse (42222052), we get a palindrome (292444292).

It can be divided in two parts, 2502 and 22240, that added together give a palindrome (24742).

The spelling of 250222240 in words is "two hundred fifty million, two hundred twenty-two thousand, two hundred forty".