1072221248 has 28 divisors (see below), whose sum is σ = 2431645632. Its totient is φ = 459523200.

The previous prime is 1072221247. The next prime is 1072221289. The reversal of 1072221248 is 8421222701.

1072221248 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (28).

It is a super-2 number, since 2×1072221248² = 2299316809325355008, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1072221248.

It is not an unprimeable number, because it can be changed into a prime (1072221247) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1196228 + ... + 1197123.

Almost surely, 2^1072221248 is an apocalyptic number.

It is an amenable number.

1072221248 is an abundant number, since it is smaller than the sum of its proper divisors (1359424384).

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

1072221248 is an equidigital number, since it uses as much as digits as its factorization.

1072221248 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2393370 (or 2393360 counting only the distinct ones).

The product of its (nonzero) digits is 3584, while the sum is 29.

The square root of 1072221248 is about 32744.7896313291. The cubic root of 1072221248 is about 1023.5163935498.

Adding to 1072221248 its reverse (8421222701), we get a palindrome (9493443949).

The spelling of 1072221248 in words is "one billion, seventy-two million, two hundred twenty-one thousand, two hundred forty-eight".