22324340410021 has 4 divisors (see below), whose sum is σ = 24041597364652. Its totient is φ = 20607083455392.

The previous prime is 22324340410013. The next prime is 22324340410069. The reversal of 22324340410021 is 12001404342322.

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 8173389259396 + 14150951150625 = 2858914^2 + 3761775^2 .

It is a cyclic number.

It is not a de Polignac number, because 22324340410021 - 2³ = 22324340410013 is a prime.

It is a super-3 number, since 3×22324340410021³ (a number of 41 digits) contains 333 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 (22324340410621) 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, 858628477296 + ... + 858628477321.

It is an arithmetic number, because the mean of its divisors is an integer number (6010399341163).

Almost surely, 2^{22324340410021} is an apocalyptic number.

It is an amenable number.

22324340410021 is a deficient number, since it is larger than the sum of its proper divisors (1717256954631).

22324340410021 is a wasteful number, since it uses less digits than its factorization.

22324340410021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1717256954630.

The product of its (nonzero) digits is 9216, while the sum is 28.

Adding to 22324340410021 its reverse (12001404342322), we get a palindrome (34325744752343).

The spelling of 22324340410021 in words is "twenty-two trillion, three hundred twenty-four billion, three hundred forty million, four hundred ten thousand, twenty-one".