47220947298 has 162 divisors, whose sum is σ = 124045047243. Its totient is φ = 13441914360.

The previous prime is 47220947273. The next prime is 47220947299. The reversal of 47220947298 is 89274902274.

It is a happy number.

47220947298 is a `hidden beast` number, since 47 + 220 + 94 + 7 + 298 = 666.

It can be written as a sum of positive squares in only one way, i.e., 23610473649 + 23610473649 = 153657^2 + 153657^2 .

It is a tau number, because it is divible by the number of its divisors (162).

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=153657.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (47220947299) by changing a digit.

It is a polite number, since it can be written in 80 ways as a sum of consecutive naturals, for example, 174246903 + ... + 174247173.

Almost surely, 2^47220947298 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 47220947298

47220947298 is an abundant number, since it is smaller than the sum of its proper divisors (76824099945).

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

47220947298 is an frugal number, since it uses more digits than its factorization.

47220947298 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 582 (or 283 counting only the distinct ones).

The product of its (nonzero) digits is 4064256, while the sum is 54.

The spelling of 47220947298 in words is "forty-seven billion, two hundred twenty million, nine hundred forty-seven thousand, two hundred ninety-eight".