2512228 has 6 divisors (see below), whose sum is σ = 4396406. Its totient is φ = 1256112.

The previous prime is 2512219. The next prime is 2512229. The reversal of 2512228 is 8222152.

2512228 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 1937664 + 574564 = 1392^2 + 758^2 .

It is a super-2 number, since 2×2512228² = 12622579047968, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2512199 and 2512208.

It is not an unprimeable number, because it can be changed into a prime (2512229) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 314025 + ... + 314032.

2^2512228 is an apocalyptic number.

It is an amenable number.

2512228 is a deficient number, since it is larger than the sum of its proper divisors (1884178).

2512228 is a wasteful number, since it uses less digits than its factorization.

2512228 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 628061 (or 628059 counting only the distinct ones).

The product of its digits is 640, while the sum is 22.

The square root of 2512228 is about 1585.0009463720. Note that the first 3 decimals coincide. The cubic root of 2512228 is about 135.9418003572.

The spelling of 2512228 in words is "two million, five hundred twelve thousand, two hundred twenty-eight".