33234221044421 has 4 divisors (see below), whose sum is σ = 34044811801644. Its totient is φ = 32423630287200.

The previous prime is 33234221044417. The next prime is 33234221044429. The reversal of 33234221044421 is 12444012243233.

It is a happy number.

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

It can be written as a sum of positive squares in 2 ways, for example, as 14525352153796 + 18708868890625 = 3811214^2 + 4325375^2 .

It is a cyclic number.

It is not a de Polignac number, because 33234221044421 - 2² = 33234221044417 is a prime.

It is a super-2 number, since 2×33234221044421² (a number of 28 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 (33234221044429) 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, 405295378550 + ... + 405295378631.

It is an arithmetic number, because the mean of its divisors is an integer number (8511202950411).

Almost surely, 2^{33234221044421} is an apocalyptic number.

It is an amenable number.

33234221044421 is a deficient number, since it is larger than the sum of its proper divisors (810590757223).

33234221044421 is an equidigital number, since it uses as much as digits as its factorization.

33234221044421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 810590757222.

The product of its (nonzero) digits is 110592, while the sum is 35.

Adding to 33234221044421 its reverse (12444012243233), we get a palindrome (45678233287654).

The spelling of 33234221044421 in words is "thirty-three trillion, two hundred thirty-four billion, two hundred twenty-one million, forty-four thousand, four hundred twenty-one".