33300222 has 16 divisors (see below), whose sum is σ = 68400912. Its totient is φ = 10800000.

The previous prime is 33300221. The next prime is 33300227. The reversal of 33300222 is 22200333.

It is a super-2 number, since 2×33300222² = 2217809570498568, which contains 22 as substring.

It is a zygodrome in base 10.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (33300221) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 74779 + ... + 75222.

It is an arithmetic number, because the mean of its divisors is an integer number (4275057).

Almost surely, 2^33300222 is an apocalyptic number.

33300222 is an abundant number, since it is smaller than the sum of its proper divisors (35100690).

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

33300222 is a wasteful number, since it uses less digits than its factorization.

33300222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 150043.

The product of its (nonzero) digits is 216, while the sum is 15.

The square root of 33300222 is about 5770.6344538534. The cubic root of 33300222 is about 321.7231974288.

Adding to 33300222 its reverse (22200333), we get a palindrome (55500555).

The spelling of 33300222 in words is "thirty-three million, three hundred thousand, two hundred twenty-two".