22421403313 has 4 divisors (see below), whose sum is σ = 22476223780. Its totient is φ = 22366582848.

The previous prime is 22421403311. The next prime is 22421403353. The reversal of 22421403313 is 31330412422.

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 21901928049 + 519475264 = 147993^2 + 22792^2 .

It is a cyclic number.

It is not a de Polignac number, because 22421403313 - 2¹ = 22421403311 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22421403311) 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 in 3 ways as a sum of consecutive naturals, for example, 27409620 + ... + 27410437.

It is an arithmetic number, because the mean of its divisors is an integer number (5619055945).

Almost surely, 2^22421403313 is an apocalyptic number.

It is an amenable number.

22421403313 is a deficient number, since it is larger than the sum of its proper divisors (54820467).

22421403313 is an equidigital number, since it uses as much as digits as its factorization.

22421403313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54820466.

The product of its (nonzero) digits is 3456, while the sum is 25.

Adding to 22421403313 its reverse (31330412422), we get a palindrome (53751815735).

The spelling of 22421403313 in words is "twenty-two billion, four hundred twenty-one million, four hundred three thousand, three hundred thirteen".