227121693336 has 512 divisors, whose sum is σ = 721898956800. Its totient is φ = 65764638720.

The previous prime is 227121693247. The next prime is 227121693343. The reversal of 227121693336 is 633396121722.

227121693336 is a `hidden beast` number, since 227 + 1 + 2 + 1 + 6 + 93 + 336 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 227121693291 and 227121693300.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 370508166 + ... + 370508778.

It is an arithmetic number, because the mean of its divisors is an integer number (1409958900).

Almost surely, 2^227121693336 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 227121693336, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (360949478400).

227121693336 is an abundant number, since it is smaller than the sum of its proper divisors (494777263464).

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

227121693336 is a wasteful number, since it uses less digits than its factorization.

227121693336 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 816 (or 806 counting only the distinct ones).

The product of its digits is 489888, while the sum is 45.

The spelling of 227121693336 in words is "two hundred twenty-seven billion, one hundred twenty-one million, six hundred ninety-three thousand, three hundred thirty-six".