2231104 has 28 divisors (see below), whose sum is σ = 4498848. Its totient is φ = 1097600.

The previous prime is 2231093. The next prime is 2231107. The reversal of 2231104 is 4011322.

It is a super-3 number, since 3×2231104³ = 33318136200073838592, which contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2231107) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4299 + ... + 4789.

2^2231104 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2231104, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2249424).

2231104 is an abundant number, since it is smaller than the sum of its proper divisors (2267744).

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

2231104 is an equidigital number, since it uses as much as digits as its factorization.

2231104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 574 (or 564 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 13.

The square root of 2231104 is about 1493.6880531088. The cubic root of 2231104 is about 130.6692118529.

Adding to 2231104 its reverse (4011322), we get a palindrome (6242426).

The spelling of 2231104 in words is "two million, two hundred thirty-one thousand, one hundred four".