22322100044021 has 2 divisors, whose sum is σ = 22322100044022. Its totient is φ = 22322100044020.

The previous prime is 22322100043981. The next prime is 22322100044059. The reversal of 22322100044021 is 12044000122322.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 22057008927121 + 265091116900 = 4696489^2 + 514870^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22322100044021 is a prime.

It is a super-3 number, since 3×22322100044021³ (a number of 41 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22322100044821) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11161050022010 + 11161050022011.

It is an arithmetic number, because the mean of its divisors is an integer number (11161050022011).

Almost surely, 2^{22322100044021} is an apocalyptic number.

It is an amenable number.

22322100044021 is a deficient number, since it is larger than the sum of its proper divisors (1).

22322100044021 is an equidigital number, since it uses as much as digits as its factorization.

22322100044021 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1536, while the sum is 23.

Adding to 22322100044021 its reverse (12044000122322), we get a palindrome (34366100166343).

The spelling of 22322100044021 in words is "twenty-two trillion, three hundred twenty-two billion, one hundred million, forty-four thousand, twenty-one".