2045224 has 8 divisors (see below), whose sum is σ = 3834810. Its totient is φ = 1022608.

The previous prime is 2045213. The next prime is 2045311. The reversal of 2045224 is 4225402.

It can be written as a sum of positive squares in only one way, i.e., 2044900 + 324 = 1430^2 + 18^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a plaindrome in base 13.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 127819 + ... + 127834.

2^2045224 is an apocalyptic number.

It is an amenable number.

2045224 is a deficient number, since it is larger than the sum of its proper divisors (1789586).

2045224 is a wasteful number, since it uses less digits than its factorization.

2045224 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 255659 (or 255655 counting only the distinct ones).

The product of its (nonzero) digits is 640, while the sum is 19.

The square root of 2045224 is about 1430.1132822263. The cubic root of 2045224 is about 126.9346802794.

The spelling of 2045224 in words is "two million, forty-five thousand, two hundred twenty-four".