47526220221 has 48 divisors (see below), whose sum is σ = 68125706880. Its totient is φ = 29462952960.

The previous prime is 47526220219. The next prime is 47526220237. The reversal of 47526220221 is 12202262574.

It is not a de Polignac number, because 47526220221 - 2¹ = 47526220219 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47526220211) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 59630995 + ... + 59631791.

It is an arithmetic number, because the mean of its divisors is an integer number (1419285560).

Almost surely, 2^47526220221 is an apocalyptic number.

It is an amenable number.

47526220221 is a deficient number, since it is larger than the sum of its proper divisors (20599486659).

47526220221 is a wasteful number, since it uses less digits than its factorization.

47526220221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1574 (or 1557 counting only the distinct ones).

The product of its (nonzero) digits is 26880, while the sum is 33.

Adding to 47526220221 its reverse (12202262574), we get a palindrome (59728482795).

The spelling of 47526220221 in words is "forty-seven billion, five hundred twenty-six million, two hundred twenty thousand, two hundred twenty-one".