2240091 has 36 divisors (see below), whose sum is σ = 3924336. Its totient is φ = 1205280.

The previous prime is 2240089. The next prime is 2240101. The reversal of 2240091 is 1900422.

2240091 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 2240091 - 2¹ = 2240089 is a prime.

It is an Ulam number.

It is not an unprimeable number, because it can be changed into a prime (2240071) by changing a digit.

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 in 35 ways as a sum of consecutive naturals, for example, 60525 + ... + 60561.

2^2240091 is an apocalyptic number.

2240091 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

2240091 is a deficient number, since it is larger than the sum of its proper divisors (1684245).

2240091 is a wasteful number, since it uses less digits than its factorization.

2240091 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 112 (or 78 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

The square root of 2240091 is about 1496.6933553671. The cubic root of 2240091 is about 130.8444242111.

The spelling of 2240091 in words is "two million, two hundred forty thousand, ninety-one".