227216151601 has 4 divisors (see below), whose sum is σ = 228208362100. Its totient is φ = 226223941104.

The previous prime is 227216151581. The next prime is 227216151623. The reversal of 227216151601 is 106151612722.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 202521600576 + 24694551025 = 450024^2 + 157145^2 .

It is a cyclic number.

It is not a de Polignac number, because 227216151601 - 2⁹ = 227216151089 is a prime.

It is a super-2 number, since 2×227216151601² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (227216152601) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 496104906 + ... + 496105363.

It is an arithmetic number, because the mean of its divisors is an integer number (57052090525).

Almost surely, 2^227216151601 is an apocalyptic number.

It is an amenable number.

227216151601 is a deficient number, since it is larger than the sum of its proper divisors (992210499).

227216151601 is an equidigital number, since it uses as much as digits as its factorization.

227216151601 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 992210498.

The product of its (nonzero) digits is 10080, while the sum is 34.

The spelling of 227216151601 in words is "two hundred twenty-seven billion, two hundred sixteen million, one hundred fifty-one thousand, six hundred one".