2201634 has 16 divisors (see below), whose sum is σ = 4892640. Its totient is φ = 733860.

The previous prime is 2201627. The next prime is 2201669. The reversal of 2201634 is 4361022.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an Ulam number.

It is an unprimeable number.

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, 20332 + ... + 20439.

It is an arithmetic number, because the mean of its divisors is an integer number (305790).

2^2201634 is an apocalyptic number.

2201634 is an abundant number, since it is smaller than the sum of its proper divisors (2691006).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2201634 is a wasteful number, since it uses less digits than its factorization.

2201634 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40782 (or 40776 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

The square root of 2201634 is about 1483.7904164672. The cubic root of 2201634 is about 130.0913362079.

Adding to 2201634 its reverse (4361022), we get a palindrome (6562656).

The spelling of 2201634 in words is "two million, two hundred one thousand, six hundred thirty-four".