227191035980 has 48 divisors (see below), whose sum is σ = 489571429536. Its totient is φ = 88508689920.

The previous prime is 227191035961. The next prime is 227191035991. The reversal of 227191035980 is 89530191722.

It is a happy 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, 245342 + ... + 717338.

It is an arithmetic number, because the mean of its divisors is an integer number (10199404782).

Almost surely, 2^227191035980 is an apocalyptic number.

227191035980 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 227191035980, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (244785714768).

227191035980 is an abundant number, since it is smaller than the sum of its proper divisors (262380393556).

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

227191035980 is a wasteful number, since it uses less digits than its factorization.

227191035980 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 472634 (or 472632 counting only the distinct ones).

The product of its (nonzero) digits is 272160, while the sum is 47.

The spelling of 227191035980 in words is "two hundred twenty-seven billion, one hundred ninety-one million, thirty-five thousand, nine hundred eighty".