11221960 has 16 divisors (see below), whose sum is σ = 25249500. Its totient is φ = 4488768.

The previous prime is 11221949. The next prime is 11221961. The reversal of 11221960 is 6912211.

It can be written as a sum of positive squares in 2 ways, for example, as 11195716 + 26244 = 3346^2 + 162^2 .

It is not an unprimeable number, because it can be changed into a prime (11221961) 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 3 ways as a sum of consecutive naturals, for example, 140235 + ... + 140314.

Almost surely, 2^11221960 is an apocalyptic number.

11221960 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11221960 is an abundant number, since it is smaller than the sum of its proper divisors (14027540).

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

11221960 is a wasteful number, since it uses less digits than its factorization.

11221960 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 280560 (or 280556 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 22.

The square root of 11221960 is about 3349.9194020155. The cubic root of 11221960 is about 223.8839215754.

The spelling of 11221960 in words is "eleven million, two hundred twenty-one thousand, nine hundred sixty".