33122231 has 8 divisors (see below), whose sum is σ = 34620000. Its totient is φ = 31629312.

The previous prime is 33122227. The next prime is 33122233. The reversal of 33122231 is 13222133.

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

It is a cyclic number.

It is not a de Polignac number, because 33122231 - 2² = 33122227 is a prime.

It is a super-2 number, since 2×33122231² = 2194164372834722, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (33122233) 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, 25895 + ... + 27143.

It is an arithmetic number, because the mean of its divisors is an integer number (4327500).

Almost surely, 2^33122231 is an apocalyptic number.

33122231 is a deficient number, since it is larger than the sum of its proper divisors (1497769).

33122231 is a wasteful number, since it uses less digits than its factorization.

33122231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2425.

The product of its digits is 216, while the sum is 17.

The square root of 33122231 is about 5755.1916562353. The cubic root of 33122231 is about 321.1489653862.

Adding to 33122231 its reverse (13222133), we get a palindrome (46344364).

The spelling of 33122231 in words is "thirty-three million, one hundred twenty-two thousand, two hundred thirty-one".