2122201 has 8 divisors (see below), whose sum is σ = 2193408. Its totient is φ = 2052000.

The previous prime is 2122193. The next prime is 2122213. The reversal of 2122201 is 1022212.

2122201 = T₄₃ + T₄₄ + ... + T₂₃₃.

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 2122201 - 2³ = 2122193 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2122231) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7696 + ... + 7966.

It is an arithmetic number, because the mean of its divisors is an integer number (274176).

2^2122201 is an apocalyptic number.

It is an amenable number.

2122201 is a deficient number, since it is larger than the sum of its proper divisors (71207).

2122201 is a wasteful number, since it uses less digits than its factorization.

2122201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 503.

The product of its (nonzero) digits is 16, while the sum is 10.

The square root of 2122201 is about 1456.7776082848. Note that the first 3 decimals coincide. The cubic root of 2122201 is about 128.5076075376.

Adding to 2122201 its reverse (1022212), we get a palindrome (3144413).

It can be divided in two parts, 21 and 22201, that added together give a palindrome (22222).

The spelling of 2122201 in words is "two million, one hundred twenty-two thousand, two hundred one".