22253533481 has 2 divisors, whose sum is σ = 22253533482. Its totient is φ = 22253533480.

The previous prime is 22253533453. The next prime is 22253533501. The reversal of 22253533481 is 18433535222.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 14385843481 + 7867690000 = 119941^2 + 88700^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22253533481 is a prime.

It is a super-2 number, since 2×22253533481² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (22253533411) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11126766740 + 11126766741.

It is an arithmetic number, because the mean of its divisors is an integer number (11126766741).

Almost surely, 2^22253533481 is an apocalyptic number.

It is an amenable number.

22253533481 is a deficient number, since it is larger than the sum of its proper divisors (1).

22253533481 is an equidigital number, since it uses as much as digits as its factorization.

22253533481 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 172800, while the sum is 38.

The spelling of 22253533481 in words is "twenty-two billion, two hundred fifty-three million, five hundred thirty-three thousand, four hundred eighty-one".