33021142234 has 4 divisors (see below), whose sum is σ = 49531713354. Its totient is φ = 16510571116.

The previous prime is 33021142199. The next prime is 33021142277. The reversal of 33021142234 is 43224112033.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 43224112033 = 499 ⋅86621467.

It can be written as a sum of positive squares in only one way, i.e., 31667270209 + 1353872025 = 177953^2 + 36795^2 .

It is a junction number, because it is equal to n+sod(n) for n = 33021142199 and 33021142208.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8255285557 + ... + 8255285560.

Almost surely, 2^33021142234 is an apocalyptic number.

33021142234 is a deficient number, since it is larger than the sum of its proper divisors (16510571120).

33021142234 is a wasteful number, since it uses less digits than its factorization.

33021142234 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16510571119.

The product of its (nonzero) digits is 3456, while the sum is 25.

Adding to 33021142234 its reverse (43224112033), we get a palindrome (76245254267).

The spelling of 33021142234 in words is "thirty-three billion, twenty-one million, one hundred forty-two thousand, two hundred thirty-four".