422220389716 has 24 divisors (see below), whose sum is σ = 741702747240. Its totient is φ = 210306150912.

The previous prime is 422220389593. The next prime is 422220389729. The reversal of 422220389716 is 617983022224.

It can be written as a sum of positive squares in 4 ways, for example, as 57670101316 + 364550288400 = 240146^2 + 603780^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1946520 + ... + 2152528.

It is an arithmetic number, because the mean of its divisors is an integer number (30904281135).

Almost surely, 2^422220389716 is an apocalyptic number.

It is an amenable number.

422220389716 is a deficient number, since it is larger than the sum of its proper divisors (319482357524).

422220389716 is a wasteful number, since it uses less digits than its factorization.

422220389716 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 207963 (or 207961 counting only the distinct ones).

The product of its (nonzero) digits is 580608, while the sum is 46.

The spelling of 422220389716 in words is "four hundred twenty-two billion, two hundred twenty million, three hundred eighty-nine thousand, seven hundred sixteen".