2201140 has 24 divisors (see below), whose sum is σ = 4658472. Its totient is φ = 873600.

The previous prime is 2201137. The next prime is 2201149. The reversal of 2201140 is 411022.

It can be written as a sum of positive squares in 4 ways, for example, as 362404 + 1838736 = 602^2 + 1356^2 .

It is a Harshad number since it is a multiple of its sum of digits (10).

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2201149) 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, 2790 + ... + 3490.

It is an arithmetic number, because the mean of its divisors is an integer number (194103).

2^2201140 is an apocalyptic number.

2201140 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2201140 is an abundant number, since it is smaller than the sum of its proper divisors (2457332).

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

2201140 is a wasteful number, since it uses less digits than its factorization.

2201140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 867 (or 865 counting only the distinct ones).

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

The square root of 2201140 is about 1483.6239415701. The cubic root of 2201140 is about 130.0816055673.

Adding to 2201140 its reverse (411022), we get a palindrome (2612162).

The spelling of 2201140 in words is "two million, two hundred one thousand, one hundred forty".