2291068 has 12 divisors (see below), whose sum is σ = 4317880. Its totient is φ = 1057392.

The previous prime is 2291063. The next prime is 2291119. The reversal of 2291068 is 8601922.

It is a happy number.

It is a hoax number, since the sum of its digits (28) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2291063) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21978 + ... + 22081.

2^2291068 is an apocalyptic number.

It is an amenable number.

2291068 is a deficient number, since it is larger than the sum of its proper divisors (2026812).

2291068 is a wasteful number, since it uses less digits than its factorization.

2291068 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44076 (or 44074 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 28.

The square root of 2291068 is about 1513.6274310411. The cubic root of 2291068 is about 131.8295166702.

The spelling of 2291068 in words is "two million, two hundred ninety-one thousand, sixty-eight".