3622001 has 2 divisors, whose sum is σ = 3622002. Its totient is φ = 3622000.

The previous prime is 3621983. The next prime is 3622007. The reversal of 3622001 is 1002263.

3622001 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., 3591025 + 30976 = 1895^2 + 176^2 .

It is an emirp because it is prime and its reverse (1002263) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 3622001 - 2¹⁰ = 3620977 is a prime.

It is not a weakly prime, because it can be changed into another prime (3622007) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1811000 + 1811001.

It is an arithmetic number, because the mean of its divisors is an integer number (1811001).

Almost surely, 2^3622001 is an apocalyptic number.

It is an amenable number.

3622001 is a deficient number, since it is larger than the sum of its proper divisors (1).

3622001 is an equidigital number, since it uses as much as digits as its factorization.

3622001 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 72, while the sum is 14.

The square root of 3622001 is about 1903.1555375218. The cubic root of 3622001 is about 153.5734669384.

Adding to 3622001 its reverse (1002263), we get a palindrome (4624264).

The spelling of 3622001 in words is "three million, six hundred twenty-two thousand, one".