227201565 has 8 divisors (see below), whose sum is σ = 363522528. Its totient is φ = 121174160.

The previous prime is 227201561. The next prime is 227201591. The reversal of 227201565 is 565102722.

227201565 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 227201565 - 2² = 227201561 is a prime.

It is a super-2 number, since 2×227201565² = 103241102276898450, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (227201561) 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, 7573371 + ... + 7573400.

It is an arithmetic number, because the mean of its divisors is an integer number (45440316).

Almost surely, 2^227201565 is an apocalyptic number.

It is an amenable number.

227201565 is a deficient number, since it is larger than the sum of its proper divisors (136320963).

227201565 is a wasteful number, since it uses less digits than its factorization.

227201565 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15146779.

The product of its (nonzero) digits is 8400, while the sum is 30.

The square root of 227201565 is about 15073.2068585288. The cubic root of 227201565 is about 610.1975218087.

The spelling of 227201565 in words is "two hundred twenty-seven million, two hundred one thousand, five hundred sixty-five".