2245874 has 4 divisors (see below), whose sum is σ = 3368814. Its totient is φ = 1122936.

The previous prime is 2245871. The next prime is 2245889. The reversal of 2245874 is 4785422.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 4785422 = 2 ⋅2392711.

It can be written as a sum of positive squares in only one way, i.e., 1803649 + 442225 = 1343^2 + 665^2 .

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 2245874.

It is not an unprimeable number, because it can be changed into a prime (2245871) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 561467 + ... + 561470.

2^2245874 is an apocalyptic number.

2245874 is a deficient number, since it is larger than the sum of its proper divisors (1122940).

2245874 is a wasteful number, since it uses less digits than its factorization.

2245874 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1122939.

The product of its digits is 17920, while the sum is 32.

The square root of 2245874 is about 1498.6240355740. The cubic root of 2245874 is about 130.9569230779.

The spelling of 2245874 in words is "two million, two hundred forty-five thousand, eight hundred seventy-four".