8233295881221 has 6 divisors (see below), whose sum is σ = 11892538495110. Its totient is φ = 5488863920808.

The previous prime is 8233295881219. The next prime is 8233295881231. The reversal of 8233295881221 is 1221885923328.

8233295881221 is a `hidden beast` number, since 8 + 2 + 3 + 3 + 29 + 588 + 12 + 21 = 666.

It can be written as a sum of positive squares in only one way, i.e., 7391601562500 + 841694318721 = 2718750^2 + 917439^2 .

It is not a de Polignac number, because 8233295881221 - 2¹ = 8233295881219 is a prime.

It is a super-2 number, since 2×8233295881221² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8233295881231) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 457405326726 + ... + 457405326743.

It is an arithmetic number, because the mean of its divisors is an integer number (1982089749185).

Almost surely, 2^{8233295881221} is an apocalyptic number.

It is an amenable number.

8233295881221 is a deficient number, since it is larger than the sum of its proper divisors (3659242613889).

8233295881221 is a wasteful number, since it uses less digits than its factorization.

8233295881221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 914810653475 (or 914810653472 counting only the distinct ones).

The product of its digits is 3317760, while the sum is 54.

The spelling of 8233295881221 in words is "eight trillion, two hundred thirty-three billion, two hundred ninety-five million, eight hundred eighty-one thousand, two hundred twenty-one".