63227161 has 4 divisors (see below), whose sum is σ = 65976192. Its totient is φ = 60478132.

The previous prime is 63227147. The next prime is 63227167. The reversal of 63227161 is 16172236.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 63227161 - 2¹⁹ = 62702873 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (63227167) 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, 1374481 + ... + 1374526.

It is an arithmetic number, because the mean of its divisors is an integer number (16494048).

Almost surely, 2^63227161 is an apocalyptic number.

It is an amenable number.

63227161 is a deficient number, since it is larger than the sum of its proper divisors (2749031).

63227161 is a wasteful number, since it uses less digits than its factorization.

63227161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2749030.

The product of its digits is 3024, while the sum is 28.

The square root of 63227161 is about 7951.5508550219. The cubic root of 63227161 is about 398.3833940145.

Adding to 63227161 its reverse (16172236), we get a palindrome (79399397).

The spelling of 63227161 in words is "sixty-three million, two hundred twenty-seven thousand, one hundred sixty-one".