2245198 has 4 divisors (see below), whose sum is σ = 3367800. Its totient is φ = 1122598.

The previous prime is 2245189. The next prime is 2245223. The reversal of 2245198 is 8915422.

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 an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 561298 + ... + 561301.

It is an arithmetic number, because the mean of its divisors is an integer number (841950).

2^2245198 is an apocalyptic number.

2245198 is a deficient number, since it is larger than the sum of its proper divisors (1122602).

2245198 is a wasteful number, since it uses less digits than its factorization.

2245198 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1122601.

The product of its digits is 5760, while the sum is 31.

The square root of 2245198 is about 1498.3984783762. The cubic root of 2245198 is about 130.9437825717.

The spelling of 2245198 in words is "two million, two hundred forty-five thousand, one hundred ninety-eight".