2265688 has 8 divisors (see below), whose sum is σ = 4248180. Its totient is φ = 1132840.

The previous prime is 2265677. The next prime is 2265721. The reversal of 2265688 is 8865622.

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×2265688² = 10266684226688, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 141598 + ... + 141613.

2^2265688 is an apocalyptic number.

It is an amenable number.

2265688 is a deficient number, since it is larger than the sum of its proper divisors (1982492).

2265688 is a wasteful number, since it uses less digits than its factorization.

2265688 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 283217 (or 283213 counting only the distinct ones).

The product of its digits is 46080, while the sum is 37.

The square root of 2265688 is about 1505.2202496645. The cubic root of 2265688 is about 131.3409141842.

It can be divided in two parts, 226568 and 8, that added together give a square (226576 = 476²).

The spelling of 2265688 in words is "two million, two hundred sixty-five thousand, six hundred eighty-eight".