33222013131 has 4 divisors (see below), whose sum is σ = 44296017512. Its totient is φ = 22148008752.

The previous prime is 33222013117. The next prime is 33222013141. The reversal of 33222013131 is 13131022233.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 33222013131 - 2¹¹ = 33222011083 is a prime.

It is a super-2 number, since 2×33222013131² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 33222013098 and 33222013107.

It is not an unprimeable number, because it can be changed into a prime (33222013141) 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, 5537002186 + ... + 5537002191.

It is an arithmetic number, because the mean of its divisors is an integer number (11074004378).

Almost surely, 2^33222013131 is an apocalyptic number.

33222013131 is a deficient number, since it is larger than the sum of its proper divisors (11074004381).

33222013131 is a wasteful number, since it uses less digits than its factorization.

33222013131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11074004380.

The product of its (nonzero) digits is 648, while the sum is 21.

Adding to 33222013131 its reverse (13131022233), we get a palindrome (46353035364).

The spelling of 33222013131 in words is "thirty-three billion, two hundred twenty-two million, thirteen thousand, one hundred thirty-one".