33152222 has 8 divisors (see below), whose sum is σ = 51072456. Its totient is φ = 16128072.

The previous prime is 33152221. The next prime is 33152239. The reversal of 33152222 is 22225133.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-3 number, since 3×33152222³ (a number of 24 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 33152194 and 33152203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (33152221) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 223928 + ... + 224075.

It is an arithmetic number, because the mean of its divisors is an integer number (6384057).

Almost surely, 2^33152222 is an apocalyptic number.

33152222 is a deficient number, since it is larger than the sum of its proper divisors (17920234).

33152222 is a wasteful number, since it uses less digits than its factorization.

33152222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 448042.

The product of its digits is 720, while the sum is 20.

The square root of 33152222 is about 5757.7966271830. The cubic root of 33152222 is about 321.2458657939.

Adding to 33152222 its reverse (22225133), we get a palindrome (55377355).

The spelling of 33152222 in words is "thirty-three million, one hundred fifty-two thousand, two hundred twenty-two".