33220011 has 16 divisors (see below), whose sum is σ = 48803328. Its totient is φ = 19932000.

The previous prime is 33220001. The next prime is 33220013. The reversal of 33220011 is 11002233.

It is a happy number.

It is not a de Polignac number, because 33220011 - 2¹⁴ = 33203627 is a prime.

It is a super-2 number, since 2×33220011² = 2207138261680242, which contains 22 as substring.

It is a zygodrome in base 10.

It is not an unprimeable number, because it can be changed into a prime (33220013) 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 15 ways as a sum of consecutive naturals, for example, 1651 + ... + 8316.

It is an arithmetic number, because the mean of its divisors is an integer number (3050208).

Almost surely, 2^33220011 is an apocalyptic number.

33220011 is a deficient number, since it is larger than the sum of its proper divisors (15583317).

33220011 is a wasteful number, since it uses less digits than its factorization.

33220011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10082.

The product of its (nonzero) digits is 36, while the sum is 12.

The square root of 33220011 is about 5763.6803346473. The cubic root of 33220011 is about 321.4646757610.

Adding to 33220011 its reverse (11002233), we get a palindrome (44222244).

The spelling of 33220011 in words is "thirty-three million, two hundred twenty thousand, eleven".