33242216 has 32 divisors (see below), whose sum is σ = 71523840. Its totient is φ = 14188608.

The previous prime is 33242171. The next prime is 33242219. The reversal of 33242216 is 61224233.

It is a super-2 number, since 2×33242216² = 2210089849181312, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 33242191 and 33242200.

It is not an unprimeable number, because it can be changed into a prime (33242219) 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, 14441 + ... + 16583.

It is an arithmetic number, because the mean of its divisors is an integer number (2235120).

Almost surely, 2^33242216 is an apocalyptic number.

It is an amenable number.

33242216 is an abundant number, since it is smaller than the sum of its proper divisors (38281624).

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

33242216 is a wasteful number, since it uses less digits than its factorization.

33242216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2433 (or 2429 counting only the distinct ones).

The product of its digits is 1728, while the sum is 23.

The square root of 33242216 is about 5765.6062994277. The cubic root of 33242216 is about 321.5362845401.

Adding to 33242216 its reverse (61224233), we get a palindrome (94466449).

The spelling of 33242216 in words is "thirty-three million, two hundred forty-two thousand, two hundred sixteen".