4220278106634 has 64 divisors (see below), whose sum is σ = 9662717796480. Its totient is φ = 1364742898560.

The previous prime is 4220278106617. The next prime is 4220278106641. The reversal of 4220278106634 is 4366018720224.

It is a happy number.

4220278106634 is a `hidden beast` number, since 4 + 2 + 2 + 0 + 2 + 7 + 8 + 1 + 0 + 6 + 634 = 666.

4220278106634 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 4220278106634.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 8534892 + ... + 9015815.

It is an arithmetic number, because the mean of its divisors is an integer number (150979965570).

Almost surely, 2^{4220278106634} is an apocalyptic number.

4220278106634 is an abundant number, since it is smaller than the sum of its proper divisors (5442439689846).

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

4220278106634 is a wasteful number, since it uses less digits than its factorization.

4220278106634 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17550852 (or 17550846 counting only the distinct ones).

The product of its (nonzero) digits is 774144, while the sum is 45.

The spelling of 4220278106634 in words is "four trillion, two hundred twenty billion, two hundred seventy-eight million, one hundred six thousand, six hundred thirty-four".