2201090 has 16 divisors (see below), whose sum is σ = 4037688. Its totient is φ = 863616.

The previous prime is 2201083. The next prime is 2201099. The reversal of 2201090 is 901022.

It can be written as a sum of positive squares in 4 ways, for example, as 1315609 + 885481 = 1147^2 + 941^2 .

It is not an unprimeable number, because it can be changed into a prime (2201099) 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, 1547 + ... + 2606.

2^2201090 is an apocalyptic number.

2201090 is a deficient number, since it is larger than the sum of its proper divisors (1836598).

2201090 is a wasteful number, since it uses less digits than its factorization.

2201090 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4213.

The product of its (nonzero) digits is 36, while the sum is 14.

The square root of 2201090 is about 1483.6070908431. The cubic root of 2201090 is about 130.0806206036.

The spelling of 2201090 in words is "two million, two hundred one thousand, ninety".