2202449 has 4 divisors (see below), whose sum is σ = 2223936. Its totient is φ = 2180964.

The previous prime is 2202439. The next prime is 2202451. The reversal of 2202449 is 9442022.

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, and also an emirpimes, since its reverse is a distinct semiprime: 9442022 = 2 ⋅4721011.

It is a cyclic number.

It is not a de Polignac number, because 2202449 - 2⁴ = 2202433 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2202419) 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, 10589 + ... + 10794.

It is an arithmetic number, because the mean of its divisors is an integer number (555984).

2^2202449 is an apocalyptic number.

It is an amenable number.

2202449 is a deficient number, since it is larger than the sum of its proper divisors (21487).

2202449 is a wasteful number, since it uses less digits than its factorization.

2202449 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21486.

The product of its (nonzero) digits is 1152, while the sum is 23.

The square root of 2202449 is about 1484.0650255295. The cubic root of 2202449 is about 130.1073866139.

The spelling of 2202449 in words is "two million, two hundred two thousand, four hundred forty-nine".