33162290 has 32 divisors (see below), whose sum is σ = 68999040. Its totient is φ = 11240064.

The previous prime is 33162289. The next prime is 33162301. The reversal of 33162290 is 9226133.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3569 + ... + 8891.

It is an arithmetic number, because the mean of its divisors is an integer number (2156220).

Almost surely, 2^33162290 is an apocalyptic number.

33162290 is an abundant number, since it is smaller than the sum of its proper divisors (35836750).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

33162290 is a wasteful number, since it uses less digits than its factorization.

33162290 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5426.

The product of its (nonzero) digits is 1944, while the sum is 26.

The square root of 33162290 is about 5758.6708535911. The cubic root of 33162290 is about 321.2783822269.

The spelling of 33162290 in words is "thirty-three million, one hundred sixty-two thousand, two hundred ninety".