2242761 has 4 divisors (see below), whose sum is σ = 2990352. Its totient is φ = 1495172.

The previous prime is 2242739. The next prime is 2242763. The reversal of 2242761 is 1672422.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2242761 - 2⁵ = 2242729 is a prime.

It is a D-number.

It is not an unprimeable number, because it can be changed into a prime (2242763) 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, 373791 + ... + 373796.

It is an arithmetic number, because the mean of its divisors is an integer number (747588).

2^2242761 is an apocalyptic number.

It is an amenable number.

2242761 is a deficient number, since it is larger than the sum of its proper divisors (747591).

2242761 is an equidigital number, since it uses as much as digits as its factorization.

2242761 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 747590.

The product of its digits is 1344, while the sum is 24.

The square root of 2242761 is about 1497.5850560152. The cubic root of 2242761 is about 130.8963887525.

It can be divided in two parts, 2242 and 761, that added together give a palindrome (3003).

The spelling of 2242761 in words is "two million, two hundred forty-two thousand, seven hundred sixty-one".