33552222 has 16 divisors (see below), whose sum is σ = 73204992. Its totient is φ = 10167320.

The previous prime is 33552209. The next prime is 33552247. The reversal of 33552222 is 22225533.

It is a super-2 number, since 2×33552222² = 2251503202274568, 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 = 33552192 and 33552201.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 254118 + ... + 254249.

It is an arithmetic number, because the mean of its divisors is an integer number (4575312).

Almost surely, 2^33552222 is an apocalyptic number.

33552222 is an abundant number, since it is smaller than the sum of its proper divisors (39652770).

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

33552222 is a wasteful number, since it uses less digits than its factorization.

33552222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 508383.

The product of its digits is 3600, while the sum is 24.

The square root of 33552222 is about 5792.4279883310. The cubic root of 33552222 is about 322.5327074573.

Adding to 33552222 its reverse (22225533), we get a palindrome (55777755).

It can be divided in two parts, 33 and 552222, that added together give a palindrome (552255).

The spelling of 33552222 in words is "thirty-three million, five hundred fifty-two thousand, two hundred twenty-two".