2505044228 has 6 divisors (see below), whose sum is σ = 4383827406. Its totient is φ = 1252522112.

The previous prime is 2505044209. The next prime is 2505044233. The reversal of 2505044228 is 8224405052.

It can be written as a sum of positive squares in only one way, i.e., 1499393284 + 1005650944 = 38722^2 + 31712^2 .

It is a super-2 number, since 2×2505044228² = 12550493168472231968, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2505044194 and 2505044203.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 313130525 + ... + 313130532.

It is an arithmetic number, because the mean of its divisors is an integer number (730637901).

Almost surely, 2^2505044228 is an apocalyptic number.

It is an amenable number.

2505044228 is a deficient number, since it is larger than the sum of its proper divisors (1878783178).

2505044228 is a wasteful number, since it uses less digits than its factorization.

2505044228 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 626261061 (or 626261059 counting only the distinct ones).

The product of its (nonzero) digits is 25600, while the sum is 32.

The square root of 2505044228 is about 50050.4168614009. The cubic root of 2505044228 is about 1358.1210044852.

The spelling of 2505044228 in words is "two billion, five hundred five million, forty-four thousand, two hundred twenty-eight".