2628221027 has 4 divisors (see below), whose sum is σ = 2653737840. Its totient is φ = 2602704216.

The previous prime is 2628221023. The next prime is 2628221041. The reversal of 2628221027 is 7201228262.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 7201228262 = 2 ⋅3600614131.

It is a cyclic number.

It is not a de Polignac number, because 2628221027 - 2² = 2628221023 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2628220984 and 2628221002.

It is not an unprimeable number, because it can be changed into a prime (2628221023) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12758252 + ... + 12758457.

It is an arithmetic number, because the mean of its divisors is an integer number (663434460).

Almost surely, 2^2628221027 is an apocalyptic number.

2628221027 is a deficient number, since it is larger than the sum of its proper divisors (25516813).

2628221027 is a wasteful number, since it uses less digits than its factorization.

2628221027 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25516812.

The product of its (nonzero) digits is 10752, while the sum is 32.

The square root of 2628221027 is about 51266.1781977163. The cubic root of 2628221027 is about 1380.0260841881.

Adding to 2628221027 its reverse (7201228262), we get a palindrome (9829449289).

The spelling of 2628221027 in words is "two billion, six hundred twenty-eight million, two hundred twenty-one thousand, twenty-seven".