32161622 has 8 divisors (see below), whose sum is σ = 48268056. Its totient is φ = 16072272.

The previous prime is 32161573. The next prime is 32161669. The reversal of 32161622 is 22616123.

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

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 2738 + ... + 8474.

It is an arithmetic number, because the mean of its divisors is an integer number (6033507).

Almost surely, 2^32161622 is an apocalyptic number.

32161622 is a deficient number, since it is larger than the sum of its proper divisors (16106434).

32161622 is a wasteful number, since it uses less digits than its factorization.

32161622 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8542.

The product of its digits is 864, while the sum is 23.

The square root of 32161622 is about 5671.1217585236. The cubic root of 32161622 is about 318.0138108264.

Adding to 32161622 its reverse (22616123), we get a palindrome (54777745).

The spelling of 32161622 in words is "thirty-two million, one hundred sixty-one thousand, six hundred twenty-two".