1122201440 has 24 divisors (see below), whose sum is σ = 2651201280. Its totient is φ = 448880512.

The previous prime is 1122201419. The next prime is 1122201449. The reversal of 1122201440 is 441022211.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1122201449) 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, 3506720 + ... + 3507039.

It is an arithmetic number, because the mean of its divisors is an integer number (110466720).

Almost surely, 2^1122201440 is an apocalyptic number.

1122201440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1122201440 is an abundant number, since it is smaller than the sum of its proper divisors (1528999840).

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

1122201440 is an equidigital number, since it uses as much as digits as its factorization.

1122201440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7013774 (or 7013766 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 17.

The square root of 1122201440 is about 33499.2752160401. The cubic root of 1122201440 is about 1039.1787895919.

Adding to 1122201440 its reverse (441022211), we get a palindrome (1563223651).

The spelling of 1122201440 in words is "one billion, one hundred twenty-two million, two hundred one thousand, four hundred forty".