227255667720 has 64 divisors (see below), whose sum is σ = 685193040000. Its totient is φ = 60296974848.

The previous prime is 227255667697. The next prime is 227255667757. The reversal of 227255667720 is 27766552722.

227255667720 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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, 4734405 + ... + 4782164.

It is an arithmetic number, because the mean of its divisors is an integer number (10706141250).

Almost surely, 2^227255667720 is an apocalyptic number.

227255667720 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

227255667720 is an abundant number, since it is smaller than the sum of its proper divisors (457937372280).

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

227255667720 is a wasteful number, since it uses less digits than its factorization.

227255667720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9516782 (or 9516778 counting only the distinct ones).

The product of its (nonzero) digits is 4939200, while the sum is 51.

The spelling of 227255667720 in words is "two hundred twenty-seven billion, two hundred fifty-five million, six hundred sixty-seven thousand, seven hundred twenty".