8221335062238 has 32 divisors (see below), whose sum is σ = 18273966354720. Its totient is φ = 2739795088320.

The previous prime is 8221335062197. The next prime is 8221335062261. The reversal of 8221335062238 is 8322605331228.

8221335062238 is a `hidden beast` number, since 8 + 2 + 2 + 1 + 3 + 350 + 62 + 238 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 8221335062193 and 8221335062202.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17823853 + ... + 18279288.

It is an arithmetic number, because the mean of its divisors is an integer number (571061448585).

Almost surely, 2^{8221335062238} is an apocalyptic number.

8221335062238 is an abundant number, since it is smaller than the sum of its proper divisors (10052631292482).

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

8221335062238 is a wasteful number, since it uses less digits than its factorization.

8221335062238 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36107369 (or 36107363 counting only the distinct ones).

The product of its (nonzero) digits is 829440, while the sum is 45.

The spelling of 8221335062238 in words is "eight trillion, two hundred twenty-one billion, three hundred thirty-five million, sixty-two thousand, two hundred thirty-eight".