33216105 has 24 divisors (see below), whose sum is σ = 57552768. Its totient is φ = 16351296.

The previous prime is 33216091. The next prime is 33216119. The reversal of 33216105 is 50161233.

It is an interprime number because it is at equal distance from previous prime (33216091) and next prime (33216119).

It is not a de Polignac number, because 33216105 - 2⁹ = 33215593 is a prime.

It is a super-2 number, since 2×33216105² = 2206619262742050, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4017 + ... + 9086.

It is an arithmetic number, because the mean of its divisors is an integer number (2398032).

Almost surely, 2^33216105 is an apocalyptic number.

It is an amenable number.

33216105 is a deficient number, since it is larger than the sum of its proper divisors (24336663).

33216105 is a wasteful number, since it uses less digits than its factorization.

33216105 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13137 (or 13124 counting only the distinct ones).

The product of its (nonzero) digits is 540, while the sum is 21.

The square root of 33216105 is about 5763.3414786910. The cubic root of 33216105 is about 321.4520760237.

Adding to 33216105 its reverse (50161233), we get a palindrome (83377338).

The spelling of 33216105 in words is "thirty-three million, two hundred sixteen thousand, one hundred five".