2245864 has 16 divisors (see below), whose sum is σ = 4245120. Its totient is φ = 1113840.

The previous prime is 2245861. The next prime is 2245871. The reversal of 2245864 is 4685422.

It is not an unprimeable number, because it can be changed into a prime (2245861) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 24 + ... + 2119.

It is an arithmetic number, because the mean of its divisors is an integer number (265320).

2^2245864 is an apocalyptic number.

It is an amenable number.

2245864 is a deficient number, since it is larger than the sum of its proper divisors (1999256).

2245864 is a wasteful number, since it uses less digits than its factorization.

2245864 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2280 (or 2276 counting only the distinct ones).

The product of its digits is 15360, while the sum is 31.

The square root of 2245864 is about 1498.6206991764. The cubic root of 2245864 is about 130.9567287110.

It can be divided in two parts, 22458 and 64, that added together give a palindrome (22522).

The spelling of 2245864 in words is "two million, two hundred forty-five thousand, eight hundred sixty-four".