2200961 has 4 divisors (see below), whose sum is σ = 2515392. Its totient is φ = 1886532.

The previous prime is 2200949. The next prime is 2200967. The reversal of 2200961 is 1690022.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2200961 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (2200967) 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, 157205 + ... + 157218.

It is an arithmetic number, because the mean of its divisors is an integer number (628848).

2^2200961 is an apocalyptic number.

It is an amenable number.

2200961 is a deficient number, since it is larger than the sum of its proper divisors (314431).

2200961 is an equidigital number, since it uses as much as digits as its factorization.

2200961 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 314430.

The product of its (nonzero) digits is 216, while the sum is 20.

The square root of 2200961 is about 1483.5636150836. The cubic root of 2200961 is about 130.0780793281.

Adding to 2200961 its reverse (1690022), we get a palindrome (3890983).

The spelling of 2200961 in words is "two million, two hundred thousand, nine hundred sixty-one".