2268630 has 96 divisors (see below), whose sum is σ = 7285824. Its totient is φ = 476928.

The previous prime is 2268593. The next prime is 2268631. The reversal of 2268630 is 368622.

2268630 is a `hidden beast` number, since 2 + 26 + 8 + 630 = 666.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 2268594 and 2268603.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2268631) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 8052 + ... + 8328.

It is an arithmetic number, because the mean of its divisors is an integer number (75894).

2^2268630 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2268630, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3642912).

2268630 is an abundant number, since it is smaller than the sum of its proper divisors (5017194).

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

2268630 is a wasteful number, since it uses less digits than its factorization.

2268630 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 310 (or 307 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 27.

The square root of 2268630 is about 1506.1971982446. The cubic root of 2268630 is about 131.3977384013.

The spelling of 2268630 in words is "two million, two hundred sixty-eight thousand, six hundred thirty".