2642228208 has 80 divisors (see below), whose sum is σ = 7828864000. Its totient is φ = 852327360.

The previous prime is 2642228191. The next prime is 2642228219. The reversal of 2642228208 is 8028222462.

2642228208 is a `hidden beast` number, since 2 + 6 + 422 + 28 + 208 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 85258 + ... + 112041.

It is an arithmetic number, because the mean of its divisors is an integer number (97860800).

Almost surely, 2^2642228208 is an apocalyptic number.

It is an amenable number.

2642228208 is an abundant number, since it is smaller than the sum of its proper divisors (5186635792).

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

2642228208 is a wasteful number, since it uses less digits than its factorization.

2642228208 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 197347 (or 197335 counting only the distinct ones).

The product of its (nonzero) digits is 49152, while the sum is 36.

The square root of 2642228208 is about 51402.6089610245. The cubic root of 2642228208 is about 1382.4733715156.

The spelling of 2642228208 in words is "two billion, six hundred forty-two million, two hundred twenty-eight thousand, two hundred eight".