11622001 has 2 divisors, whose sum is σ = 11622002. Its totient is φ = 11622000.

The previous prime is 11621989. The next prime is 11622007. The reversal of 11622001 is 10022611.

11622001 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 11560000 + 62001 = 3400^2 + 249^2 .

It is an emirp because it is prime and its reverse (10022611) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 11622001 - 2⁷ = 11621873 is a prime.

It is not a weakly prime, because it can be changed into another prime (11622007) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5811000 + 5811001.

It is an arithmetic number, because the mean of its divisors is an integer number (5811001).

Almost surely, 2^11622001 is an apocalyptic number.

It is an amenable number.

11622001 is a deficient number, since it is larger than the sum of its proper divisors (1).

11622001 is an equidigital number, since it uses as much as digits as its factorization.

11622001 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 24, while the sum is 13.

The square root of 11622001 is about 3409.1056011805. The cubic root of 11622001 is about 226.5132629366.

Adding to 11622001 its reverse (10022611), we get a palindrome (21644612).

The spelling of 11622001 in words is "eleven million, six hundred twenty-two thousand, one".