2245772 has 12 divisors (see below), whose sum is σ = 3984456. Its totient is φ = 1107360.

The previous prime is 2245759. The next prime is 2245783. The reversal of 2245772 is 2775422.

It is an Ulam number.

It is a plaindrome in base 16.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3554 + ... + 4137.

It is an arithmetic number, because the mean of its divisors is an integer number (332038).

2^2245772 is an apocalyptic number.

It is an amenable number.

2245772 is a deficient number, since it is larger than the sum of its proper divisors (1738684).

2245772 is a wasteful number, since it uses less digits than its factorization.

2245772 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7768 (or 7766 counting only the distinct ones).

The product of its digits is 7840, while the sum is 29.

The square root of 2245772 is about 1498.5900039704. The cubic root of 2245772 is about 130.9549405078.

The spelling of 2245772 in words is "two million, two hundred forty-five thousand, seven hundred seventy-two".