2201594 has 4 divisors (see below), whose sum is σ = 3302394. Its totient is φ = 1100796.

The previous prime is 2201581. The next prime is 2201597. The reversal of 2201594 is 4951022.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 2088025 + 113569 = 1445^2 + 337^2 .

It is a super-2 number, since 2×2201594² = 9694032281672, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2201597) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 550397 + ... + 550400.

2^2201594 is an apocalyptic number.

2201594 is a deficient number, since it is larger than the sum of its proper divisors (1100800).

2201594 is a wasteful number, since it uses less digits than its factorization.

2201594 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1100799.

The product of its (nonzero) digits is 720, while the sum is 23.

The square root of 2201594 is about 1483.7769374134. The cubic root of 2201594 is about 130.0905483559.

The spelling of 2201594 in words is "two million, two hundred one thousand, five hundred ninety-four".