33221122 has 16 divisors (see below), whose sum is σ = 54903744. Its totient is φ = 14950000.

The previous prime is 33221093. The next prime is 33221137. The reversal of 33221122 is 22112233.

It is a super-2 number, since 2×33221122² = 2207285893877768, which contains 22 as substring.

It is a zygodrome in base 10.

It is a junction number, because it is equal to n+sod(n) for n = 33221096 and 33221105.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5254 + ... + 9697.

It is an arithmetic number, because the mean of its divisors is an integer number (3431484).

Almost surely, 2^33221122 is an apocalyptic number.

33221122 is a deficient number, since it is larger than the sum of its proper divisors (21682622).

33221122 is a wasteful number, since it uses less digits than its factorization.

33221122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15065.

The product of its digits is 144, while the sum is 16.

The square root of 33221122 is about 5763.7767132324. The cubic root of 33221122 is about 321.4682593769.

Adding to 33221122 its reverse (22112233), we get a palindrome (55333355).

Subtracting from 33221122 its reverse (22112233), we obtain a square (11108889 = 3333²).

It can be divided in two parts, 332211 and 22, that added together give a palindrome (332233).

The spelling of 33221122 in words is "thirty-three million, two hundred twenty-one thousand, one hundred twenty-two".