33322990 has 16 divisors (see below), whose sum is σ = 60742080. Its totient is φ = 13160160.

The previous prime is 33322957. The next prime is 33322997. The reversal of 33322990 is 9922333.

It is a super-2 number, since 2×33322990² = 2220843325080200, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (33322997) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20301 + ... + 21880.

It is an arithmetic number, because the mean of its divisors is an integer number (3796380).

Almost surely, 2^33322990 is an apocalyptic number.

33322990 is a deficient number, since it is larger than the sum of its proper divisors (27419090).

33322990 is a wasteful number, since it uses less digits than its factorization.

33322990 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42267.

The product of its (nonzero) digits is 8748, while the sum is 31.

The square root of 33322990 is about 5772.6068634543. The cubic root of 33322990 is about 321.7965034964.

The spelling of 33322990 in words is "thirty-three million, three hundred twenty-two thousand, nine hundred ninety".