2243998 has 16 divisors (see below), whose sum is σ = 3492720. Its totient is φ = 1080576.

The previous prime is 2243987. The next prime is 2244091. The reversal of 2243998 is 8993422.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8208 + ... + 8476.

It is an arithmetic number, because the mean of its divisors is an integer number (218295).

2^2243998 is an apocalyptic number.

2243998 is a deficient number, since it is larger than the sum of its proper divisors (1248722).

2243998 is a wasteful number, since it uses less digits than its factorization.

2243998 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 411.

The product of its digits is 31104, while the sum is 37.

The square root of 2243998 is about 1497.9979973284. The cubic root of 2243998 is about 130.9204497310.

The spelling of 2243998 in words is "two million, two hundred forty-three thousand, nine hundred ninety-eight".