33222222013 has 4 divisors (see below), whose sum is σ = 33236236288. Its totient is φ = 33208207740.

The previous prime is 33222221971. The next prime is 33222222029. The reversal of 33222222013 is 31022222233.

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.

It is a cyclic number.

It is not a de Polignac number, because 33222222013 - 2¹³ = 33222213821 is a prime.

It is a super-2 number, since 2×33222222013² (a number of 22 digits) 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 (33222222043) 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, 7003581 + ... + 7008322.

It is an arithmetic number, because the mean of its divisors is an integer number (8309059072).

Almost surely, 2^33222222013 is an apocalyptic number.

It is an amenable number.

33222222013 is a deficient number, since it is larger than the sum of its proper divisors (14014275).

33222222013 is a wasteful number, since it uses less digits than its factorization.

33222222013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14014274.

The product of its (nonzero) digits is 1728, while the sum is 22.

Adding to 33222222013 its reverse (31022222233), we get a palindrome (64244444246).

It can be divided in two parts, 332222220 and 13, that added together give a palindrome (332222233).

The spelling of 33222222013 in words is "thirty-three billion, two hundred twenty-two million, two hundred twenty-two thousand, thirteen".