2242668 has 12 divisors (see below), whose sum is σ = 5232920. Its totient is φ = 747552.

The previous prime is 2242663. The next prime is 2242679. The reversal of 2242668 is 8662422.

It is a tau number, because it is divible by the number of its divisors (12).

It is a d-powerful number, because it can be written as 2⁹ + 2¹⁵ + 4⁸ + 2²¹ + 6² + 6⁶ + 8 .

It is not an unprimeable number, because it can be changed into a prime (2242663) 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, 93433 + ... + 93456.

2^2242668 is an apocalyptic number.

It is an amenable number.

2242668 is an abundant number, since it is smaller than the sum of its proper divisors (2990252).

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

2242668 is a wasteful number, since it uses less digits than its factorization.

2242668 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 186896 (or 186894 counting only the distinct ones).

The product of its digits is 9216, while the sum is 30.

The square root of 2242668 is about 1497.5540057040. The cubic root of 2242668 is about 130.8945794450.

The spelling of 2242668 in words is "two million, two hundred forty-two thousand, six hundred sixty-eight".