1250222336 has 54 divisors (see below), whose sum is σ = 2743122606. Its totient is φ = 568268800.

The previous prime is 1250222333. The next prime is 1250222357. The reversal of 1250222336 is 6332220521.

It can be written as a sum of positive squares in only one way, i.e., 1239040000 + 11182336 = 35200^2 + 3344^2 .

It is not an unprimeable number, because it can be changed into a prime (1250222333) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 10796 + ... + 51156.

Almost surely, 2^1250222336 is an apocalyptic number.

1250222336 is a gapful number since it is divisible by the number (16) 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 1250222336, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1371561303).

1250222336 is an abundant number, since it is smaller than the sum of its proper divisors (1492900270).

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

1250222336 is an equidigital number, since it uses as much as digits as its factorization.

1250222336 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40399 (or 40374 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 26.

The square root of 1250222336 is about 35358.4832253874. The cubic root of 1250222336 is about 1077.2812090151.

Adding to 1250222336 its reverse (6332220521), we get a palindrome (7582442857).

The spelling of 1250222336 in words is "one billion, two hundred fifty million, two hundred twenty-two thousand, three hundred thirty-six".