22446135461 has 4 divisors (see below), whose sum is σ = 22716570912. Its totient is φ = 22175700012.

The previous prime is 22446135409. The next prime is 22446135473. The reversal of 22446135461 is 16453164422.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 22446135461 - 2¹⁴ = 22446119077 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22446138461) 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, 135217601 + ... + 135217766.

It is an arithmetic number, because the mean of its divisors is an integer number (5679142728).

Almost surely, 2^22446135461 is an apocalyptic number.

It is an amenable number.

22446135461 is a deficient number, since it is larger than the sum of its proper divisors (270435451).

22446135461 is an equidigital number, since it uses as much as digits as its factorization.

22446135461 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 270435450.

The product of its digits is 138240, while the sum is 38.

Adding to 22446135461 its reverse (16453164422), we get a palindrome (38899299883).

The spelling of 22446135461 in words is "twenty-two billion, four hundred forty-six million, one hundred thirty-five thousand, four hundred sixty-one".