2201331 has 16 divisors (see below), whose sum is σ = 3282048. Its totient is φ = 1300800.

The previous prime is 2201327. The next prime is 2201357. The reversal of 2201331 is 1331022.

It is a happy number.

It is not a de Polignac number, because 2201331 - 2² = 2201327 is a prime.

It is a super-2 number, since 2×2201331² = 9691716343122, which contains 22 as substring.

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2201371) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 540 + ... + 2166.

It is an arithmetic number, because the mean of its divisors is an integer number (205128).

2^2201331 is an apocalyptic number.

2201331 is a deficient number, since it is larger than the sum of its proper divisors (1080717).

2201331 is a wasteful number, since it uses less digits than its factorization.

2201331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1682.

The product of its (nonzero) digits is 36, while the sum is 12.

The square root of 2201331 is about 1483.6883095853. The cubic root of 2201331 is about 130.0853679917.

Adding to 2201331 its reverse (1331022), we get a palindrome (3532353).

It can be divided in two parts, 220 and 1331, that added together give a palindrome (1551).

The spelling of 2201331 in words is "two million, two hundred one thousand, three hundred thirty-one".