8628022420 has 12 divisors (see below), whose sum is σ = 18118847124. Its totient is φ = 3451208960.

The previous prime is 8628022399. The next prime is 8628022463. The reversal of 8628022420 is 242208268.

It can be written as a sum of positive squares in 2 ways, for example, as 2938940944 + 5689081476 = 54212^2 + 75426^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 215700541 + ... + 215700580.

It is an arithmetic number, because the mean of its divisors is an integer number (1509903927).

Almost surely, 2^8628022420 is an apocalyptic number.

It is an amenable number.

8628022420 is an abundant number, since it is smaller than the sum of its proper divisors (9490824704).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

8628022420 is a wasteful number, since it uses less digits than its factorization.

8628022420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 431401130 (or 431401128 counting only the distinct ones).

The product of its (nonzero) digits is 24576, while the sum is 34.

The square root of 8628022420 is about 92887.1488420223. The cubic root of 8628022420 is about 2051.0224857622.

The spelling of 8628022420 in words is "eight billion, six hundred twenty-eight million, twenty-two thousand, four hundred twenty".