47221758932481 has 45 divisors (see below), whose sum is σ = 79574376028641. Its totient is φ = 26983285015176.

The previous prime is 47221758932461. The next prime is 47221758932581. The reversal of 47221758932481 is 18423985712274.

The square root of 47221758932481 is 6871809.

It is a perfect power (a square), and thus also a powerful number.

47221758932481 is a `hidden beast` number, since 4 + 7 + 2 + 2 + 1 + 7 + 589 + 3 + 2 + 48 + 1 = 666.

It is not a de Polignac number, because 47221758932481 - 2⁹ = 47221758931969 is a prime.

It is a super-2 number, since 2×47221758932481² (a number of 28 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is not an unprimeable number, because it can be changed into a prime (47221758932461) by changing a digit.

It is a polite number, since it can be written in 44 ways as a sum of consecutive naturals, for example, 1010132550 + ... + 1010179296.

Almost surely, 2^{47221758932481} is an apocalyptic number.

47221758932481 is the 6871809-th square number.

47221758932481 is the 3435905-th centered octagonal number.

It is an amenable number.

47221758932481 is a deficient number, since it is larger than the sum of its proper divisors (32352617096160).

47221758932481 is an frugal number, since it uses more digits than its factorization.

47221758932481 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 93528 (or 46757 counting only the distinct ones).

The product of its digits is 54190080, while the sum is 63.

The spelling of 47221758932481 in words is "forty-seven trillion, two hundred twenty-one billion, seven hundred fifty-eight million, nine hundred thirty-two thousand, four hundred eighty-one".