2245712528 has 10 divisors (see below), whose sum is σ = 4351068054. Its totient is φ = 1122856256.

The previous prime is 2245712519. The next prime is 2245712533. The reversal of 2245712528 is 8252175422.

It can be written as a sum of positive squares in only one way, i.e., 2178275584 + 67436944 = 46672^2 + 8212^2 .

It is a junction number, because it is equal to n+sod(n) for n = 2245712491 and 2245712500.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 70178501 + ... + 70178532.

Almost surely, 2^2245712528 is an apocalyptic number.

It is an amenable number.

2245712528 is a deficient number, since it is larger than the sum of its proper divisors (2105355526).

2245712528 is a wasteful number, since it uses less digits than its factorization.

2245712528 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 140357041 (or 140357035 counting only the distinct ones).

The product of its digits is 89600, while the sum is 38.

The square root of 2245712528 is about 47388.9494291654. The cubic root of 2245712528 is about 1309.5378452502.

The spelling of 2245712528 in words is "two billion, two hundred forty-five million, seven hundred twelve thousand, five hundred twenty-eight".