22033134421 has 8 divisors (see below), whose sum is σ = 22125075224. Its totient is φ = 21941383680.

The previous prime is 22033134419. The next prime is 22033134437. The reversal of 22033134421 is 12443133022.

It can be written as a sum of positive squares in 4 ways, for example, as 1012194225 + 21020940196 = 31815^2 + 144986^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 22033134421 - 2¹ = 22033134419 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22033104421) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 187225 + ... + 281281.

It is an arithmetic number, because the mean of its divisors is an integer number (2765634403).

Almost surely, 2^22033134421 is an apocalyptic number.

It is an amenable number.

22033134421 is a deficient number, since it is larger than the sum of its proper divisors (91940803).

22033134421 is an equidigital number, since it uses as much as digits as its factorization.

22033134421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 95031.

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

Adding to 22033134421 its reverse (12443133022), we get a palindrome (34476267443).

The spelling of 22033134421 in words is "twenty-two billion, thirty-three million, one hundred thirty-four thousand, four hundred twenty-one".