32161227 has 8 divisors (see below), whose sum is σ = 49007616. Its totient is φ = 18377832.

The previous prime is 32161211. The next prime is 32161247. The reversal of 32161227 is 72216123.

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

It is not a de Polignac number, because 32161227 - 2⁴ = 32161211 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 32161197 and 32161206.

It is not an unprimeable number, because it can be changed into a prime (32161247) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 765723 + ... + 765764.

It is an arithmetic number, because the mean of its divisors is an integer number (6125952).

Almost surely, 2^32161227 is an apocalyptic number.

32161227 is a deficient number, since it is larger than the sum of its proper divisors (16846389).

32161227 is a wasteful number, since it uses less digits than its factorization.

32161227 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1531497.

The product of its digits is 1008, while the sum is 24.

The square root of 32161227 is about 5671.0869328551. The cubic root of 32161227 is about 318.0125089023.

The spelling of 32161227 in words is "thirty-two million, one hundred sixty-one thousand, two hundred twenty-seven".