33119221 has 4 divisors (see below), whose sum is σ = 33130944. Its totient is φ = 33107500.

The previous prime is 33119201. The next prime is 33119231. The reversal of 33119221 is 12291133.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 12291133 = 1049 ⋅11717.

It is a cyclic number.

It is not a de Polignac number, because 33119221 - 2²³ = 24730613 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 33119192 and 33119201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (33119201) 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, 1266 + ... + 8236.

It is an arithmetic number, because the mean of its divisors is an integer number (8282736).

Almost surely, 2^33119221 is an apocalyptic number.

It is an amenable number.

33119221 is a deficient number, since it is larger than the sum of its proper divisors (11723).

33119221 is an equidigital number, since it uses as much as digits as its factorization.

33119221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11722.

The product of its digits is 324, while the sum is 22.

The square root of 33119221 is about 5754.9301472737. The cubic root of 33119221 is about 321.1392368983.

The spelling of 33119221 in words is "thirty-three million, one hundred nineteen thousand, two hundred twenty-one".