2202749 has 4 divisors (see below), whose sum is σ = 2249664. Its totient is φ = 2155836.

The previous prime is 2202719. The next prime is 2202763. The reversal of 2202749 is 9472022.

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 2202749 - 2⁸ = 2202493 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2202719) 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, 23387 + ... + 23480.

It is an arithmetic number, because the mean of its divisors is an integer number (562416).

2^2202749 is an apocalyptic number.

It is an amenable number.

2202749 is a deficient number, since it is larger than the sum of its proper divisors (46915).

2202749 is an equidigital number, since it uses as much as digits as its factorization.

2202749 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46914.

The product of its (nonzero) digits is 2016, while the sum is 26.

The square root of 2202749 is about 1484.1660958262. The cubic root of 2202749 is about 130.1132937418.

The spelling of 2202749 in words is "two million, two hundred two thousand, seven hundred forty-nine".