33222555 has 20 divisors (see below), whose sum is σ = 59555232. Its totient is φ = 17718480.

The previous prime is 33222523. The next prime is 33222571. The reversal of 33222555 is 55522233.

It is not a de Polignac number, because 33222555 - 2⁵ = 33222523 is a prime.

It is a super-2 number, since 2×33222555² = 2207476321456050, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a zygodrome in base 10.

It is an unprimeable number.

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 19 ways as a sum of consecutive naturals, for example, 40611 + ... + 41420.

Almost surely, 2^33222555 is an apocalyptic number.

33222555 is a deficient number, since it is larger than the sum of its proper divisors (26332677).

33222555 is an equidigital number, since it uses as much as digits as its factorization.

33222555 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 82048 (or 82039 counting only the distinct ones).

The product of its digits is 9000, while the sum is 27.

The square root of 33222555 is about 5763.9010227449. The cubic root of 33222555 is about 321.4728815105.

Adding to 33222555 its reverse (55522233), we get a palindrome (88744788).

The spelling of 33222555 in words is "thirty-three million, two hundred twenty-two thousand, five hundred fifty-five".