11890722 has 8 divisors (see below), whose sum is σ = 23781456. Its totient is φ = 3963572.

The previous prime is 11890721. The next prime is 11890733. The reversal of 11890722 is 22709811.

It is a sphenic number, since it is the product of 3 distinct primes.

11890722 is an admirable number.

It is a self number, because there is not a number n which added to its sum of digits gives 11890722.

It is not an unprimeable number, because it can be changed into a prime (11890721) 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, 990888 + ... + 990899.

It is an arithmetic number, because the mean of its divisors is an integer number (2972682).

Almost surely, 2^11890722 is an apocalyptic number.

11890722 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

11890722 is a wasteful number, since it uses less digits than its factorization.

11890722 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1981792.

The product of its (nonzero) digits is 2016, while the sum is 30.

The square root of 11890722 is about 3448.2926209938. The cubic root of 11890722 is about 228.2457722173.

The spelling of 11890722 in words is "eleven million, eight hundred ninety thousand, seven hundred twenty-two".