227475101721 has 8 divisors (see below), whose sum is σ = 346628726464. Its totient is φ = 129985772400.

The previous prime is 227475101719. The next prime is 227475101731. The reversal of 227475101721 is 127101574722.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 227475101721 - 2¹ = 227475101719 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 227475101721.

It is not an unprimeable number, because it can be changed into a prime (227475101731) 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, 5416073830 + ... + 5416073871.

It is an arithmetic number, because the mean of its divisors is an integer number (43328590808).

Almost surely, 2^227475101721 is an apocalyptic number.

227475101721 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

227475101721 is a deficient number, since it is larger than the sum of its proper divisors (119153624743).

227475101721 is a wasteful number, since it uses less digits than its factorization.

227475101721 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10832147711.

The product of its (nonzero) digits is 54880, while the sum is 39.

The spelling of 227475101721 in words is "two hundred twenty-seven billion, four hundred seventy-five million, one hundred one thousand, seven hundred twenty-one".