22235030324021 has 4 divisors (see below), whose sum is σ = 22777348136844. Its totient is φ = 21692712511200.

The previous prime is 22235030323973. The next prime is 22235030324077. The reversal of 22235030324021 is 12042303053222.

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 2614462624900 + 19620567699121 = 1616930^2 + 4429511^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22235030324021 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 (22235030324321) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 271158906350 + ... + 271158906431.

It is an arithmetic number, because the mean of its divisors is an integer number (5694337034211).

Almost surely, 2^{22235030324021} is an apocalyptic number.

It is an amenable number.

22235030324021 is a deficient number, since it is larger than the sum of its proper divisors (542317812823).

22235030324021 is an equidigital number, since it uses as much as digits as its factorization.

22235030324021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 542317812822.

The product of its (nonzero) digits is 17280, while the sum is 29.

Adding to 22235030324021 its reverse (12042303053222), we get a palindrome (34277333377243).

The spelling of 22235030324021 in words is "twenty-two trillion, two hundred thirty-five billion, thirty million, three hundred twenty-four thousand, twenty-one".