2231608 has 16 divisors (see below), whose sum is σ = 4329000. Its totient is φ = 1077216.

The previous prime is 2231599. The next prime is 2231609. The reversal of 2231608 is 8061322.

2231608 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It is a super-3 number, since 3×2231608³ = 33340720715549723136, which contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2231609) 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, 4578 + ... + 5041.

2^2231608 is an apocalyptic number.

2231608 is the 799-th centered heptagonal number.

It is an amenable number.

2231608 is a deficient number, since it is larger than the sum of its proper divisors (2097392).

2231608 is a wasteful number, since it uses less digits than its factorization.

2231608 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9654 (or 9650 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 22.

The square root of 2231608 is about 1493.8567535075. The cubic root of 2231608 is about 130.6790503789.

The spelling of 2231608 in words is "two million, two hundred thirty-one thousand, six hundred eight".