2522681228 has 6 divisors (see below), whose sum is σ = 4414692156. Its totient is φ = 1261340612.

The previous prime is 2522681219. The next prime is 2522681299. The reversal of 2522681228 is 8221862252.

2522681228 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 2522681191 and 2522681200.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 315335150 + ... + 315335157.

It is an arithmetic number, because the mean of its divisors is an integer number (735782026).

Almost surely, 2^2522681228 is an apocalyptic number.

It is an amenable number.

2522681228 is a deficient number, since it is larger than the sum of its proper divisors (1892010928).

2522681228 is a wasteful number, since it uses less digits than its factorization.

2522681228 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 630670311 (or 630670309 counting only the distinct ones).

The product of its digits is 61440, while the sum is 38.

The square root of 2522681228 is about 50226.3001623651. The cubic root of 2522681228 is about 1361.3008796972.

The spelling of 2522681228 in words is "two billion, five hundred twenty-two million, six hundred eighty-one thousand, two hundred twenty-eight".