2247668 has 6 divisors (see below), whose sum is σ = 3933426. Its totient is φ = 1123832.

The previous prime is 2247659. The next prime is 2247673. The reversal of 2247668 is 8667422.

2247668 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 2137444 + 110224 = 1462^2 + 332^2 .

It is a super-3 number, since 3×2247668³ = 34065733335990184896, which contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 280955 + ... + 280962.

It is an arithmetic number, because the mean of its divisors is an integer number (655571).

2^2247668 is an apocalyptic number.

It is an amenable number.

2247668 is a deficient number, since it is larger than the sum of its proper divisors (1685758).

2247668 is a wasteful number, since it uses less digits than its factorization.

2247668 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 561921 (or 561919 counting only the distinct ones).

The product of its digits is 32256, while the sum is 35.

The square root of 2247668 is about 1499.2224651465. Note that the first 3 decimals coincide. The cubic root of 2247668 is about 130.9917831802.

The spelling of 2247668 in words is "two million, two hundred forty-seven thousand, six hundred sixty-eight".