22433022033421 has 4 divisors (see below), whose sum is σ = 22433031913500. Its totient is φ = 22433012153344.

The previous prime is 22433022033391. The next prime is 22433022033523. The reversal of 22433022033421 is 12433022033422.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 18166442608521 + 4266579424900 = 4262211^2 + 2065570^2 .

It is a cyclic number.

It is not a de Polignac number, because 22433022033421 - 2¹¹ = 22433022031373 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 (22433022031421) 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, 364155 + ... + 6708103.

It is an arithmetic number, because the mean of its divisors is an integer number (5608257978375).

Almost surely, 2^{22433022033421} is an apocalyptic number.

It is an amenable number.

22433022033421 is a deficient number, since it is larger than the sum of its proper divisors (9880079).

22433022033421 is an equidigital number, since it uses as much as digits as its factorization.

22433022033421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9880078.

The product of its (nonzero) digits is 41472, while the sum is 31.

Adding to 22433022033421 its reverse (12433022033422), we get a palindrome (34866044066843).

Subtracting from 22433022033421 its reverse (12433022033422), we obtain a palindrome (9999999999999).

The spelling of 22433022033421 in words is "twenty-two trillion, four hundred thirty-three billion, twenty-two million, thirty-three thousand, four hundred twenty-one".