2243398 has 4 divisors (see below), whose sum is σ = 3365100. Its totient is φ = 1121698.

The previous prime is 2243393. The next prime is 2243399. The reversal of 2243398 is 8933422.

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

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2243393) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 560848 + ... + 560851.

It is an arithmetic number, because the mean of its divisors is an integer number (841275).

2^2243398 is an apocalyptic number.

2243398 is a deficient number, since it is larger than the sum of its proper divisors (1121702).

2243398 is a wasteful number, since it uses less digits than its factorization.

2243398 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1121701.

The product of its digits is 10368, while the sum is 31.

The square root of 2243398 is about 1497.7977166493. The cubic root of 2243398 is about 130.9087801912.

The spelling of 2243398 in words is "two million, two hundred forty-three thousand, three hundred ninety-eight".