22443340452331 has 4 divisors (see below), whose sum is σ = 22444044942600. Its totient is φ = 22442635962064.

The previous prime is 22443340452329. The next prime is 22443340452347. The reversal of 22443340452331 is 13325404334422.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 22443340452331 - 2¹ = 22443340452329 is a prime.

It is a super-2 number, since 2×22443340452331² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22443940452331) 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, 352197346 + ... + 352261063.

It is an arithmetic number, because the mean of its divisors is an integer number (5611011235650).

Almost surely, 2^{22443340452331} is an apocalyptic number.

22443340452331 is a deficient number, since it is larger than the sum of its proper divisors (704490269).

22443340452331 is an equidigital number, since it uses as much as digits as its factorization.

22443340452331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 704490268.

The product of its (nonzero) digits is 829440, while the sum is 40.

Adding to 22443340452331 its reverse (13325404334422), we get a palindrome (35768744786753).

The spelling of 22443340452331 in words is "twenty-two trillion, four hundred forty-three billion, three hundred forty million, four hundred fifty-two thousand, three hundred thirty-one".