2243078 has 4 divisors (see below), whose sum is σ = 3364620. Its totient is φ = 1121538.

The previous prime is 2243077. The next prime is 2243081. The reversal of 2243078 is 8703422.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2243077) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 560768 + ... + 560771.

It is an arithmetic number, because the mean of its divisors is an integer number (841155).

2^2243078 is an apocalyptic number.

2243078 is a deficient number, since it is larger than the sum of its proper divisors (1121542).

2243078 is a wasteful number, since it uses less digits than its factorization.

2243078 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1121541.

The product of its (nonzero) digits is 2688, while the sum is 26.

The square root of 2243078 is about 1497.6908893360. The cubic root of 2243078 is about 130.9025555859.

The spelling of 2243078 in words is "two million, two hundred forty-three thousand, seventy-eight".