11022401 has 8 divisors (see below), whose sum is σ = 11994024. Its totient is φ = 10068480.

The previous prime is 11022397. The next prime is 11022437. The reversal of 11022401 is 10422011.

It is a Cunningham number, because it is equal to 3320²+1.

It can be written as a sum of positive squares in 4 ways, for example, as 1 + 11022400 = 1^2 + 3320^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 11022401 - 2² = 11022397 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11022461) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3110 + ... + 5631.

It is an arithmetic number, because the mean of its divisors is an integer number (1499253).

Almost surely, 2^11022401 is an apocalyptic number.

It is an amenable number.

11022401 is a deficient number, since it is larger than the sum of its proper divisors (971623).

11022401 is an equidigital number, since it uses as much as digits as its factorization.

11022401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8851.

The product of its (nonzero) digits is 16, while the sum is 11.

The square root of 11022401 is about 3320.0001506024. Note that the first 3 decimals coincide. The cubic root of 11022401 is about 222.5488745052.

Adding to 11022401 its reverse (10422011), we get a palindrome (21444412).

The spelling of 11022401 in words is "eleven million, twenty-two thousand, four hundred one".