33215226 has 24 divisors (see below), whose sum is σ = 73020192. Its totient is φ = 10065000.

The previous prime is 33215191. The next prime is 33215227. The reversal of 33215226 is 62251233.

It is a super-2 number, since 2×33215226² = 2206502476462152, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 33215196 and 33215205.

It is not an unprimeable number, because it can be changed into a prime (33215227) 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 11 ways as a sum of consecutive naturals, for example, 22150 + ... + 23601.

It is an arithmetic number, because the mean of its divisors is an integer number (3042508).

Almost surely, 2^33215226 is an apocalyptic number.

33215226 is an abundant number, since it is smaller than the sum of its proper divisors (39804966).

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

33215226 is a wasteful number, since it uses less digits than its factorization.

33215226 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45778 (or 45767 counting only the distinct ones).

The product of its digits is 2160, while the sum is 24.

The square root of 33215226 is about 5763.2652203417. The cubic root of 33215226 is about 321.4492404628.

Adding to 33215226 its reverse (62251233), we get a palindrome (95466459).

The spelling of 33215226 in words is "thirty-three million, two hundred fifteen thousand, two hundred twenty-six".