2263120 has 20 divisors (see below), whose sum is σ = 5261940. Its totient is φ = 905216.

The previous prime is 2263117. The next prime is 2263139. The reversal of 2263120 is 213622.

It can be written as a sum of positive squares in 2 ways, for example, as 1577536 + 685584 = 1256^2 + 828^2 .

It is a tau number, because it is divible by the number of its divisors (20).

It is a Harshad number since it is a multiple of its sum of digits (16).

It is a junction number, because it is equal to n+sod(n) for n = 2263094 and 2263103.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14065 + ... + 14224.

It is an arithmetic number, because the mean of its divisors is an integer number (263097).

2^2263120 is an apocalyptic number.

2263120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2263120 is an abundant number, since it is smaller than the sum of its proper divisors (2998820).

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

2263120 is a wasteful number, since it uses less digits than its factorization.

2263120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28302 (or 28296 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 2263120 is about 1504.3669765054. The cubic root of 2263120 is about 131.2912734897.

Adding to 2263120 its reverse (213622), we get a palindrome (2476742).

The spelling of 2263120 in words is "two million, two hundred sixty-three thousand, one hundred twenty".