227261535616 has 64 divisors (see below), whose sum is σ = 457015284000. Its totient is φ = 112560824320.

The previous prime is 227261535601. The next prime is 227261535619. The reversal of 227261535616 is 616535162722.

It is a happy number.

227261535616 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (64).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (227261535619) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 34435485 + ... + 34442083.

Almost surely, 2^227261535616 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 227261535616, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (228507642000).

227261535616 is an abundant number, since it is smaller than the sum of its proper divisors (229753748384).

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

227261535616 is a wasteful number, since it uses less digits than its factorization.

227261535616 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9107 (or 9095 counting only the distinct ones).

The product of its digits is 907200, while the sum is 46.

The spelling of 227261535616 in words is "two hundred twenty-seven billion, two hundred sixty-one million, five hundred thirty-five thousand, six hundred sixteen".