22461505213 has 4 divisors (see below), whose sum is σ = 25670291680. Its totient is φ = 19252718748.

The previous prime is 22461505189. The next prime is 22461505223. The reversal of 22461505213 is 31250516422.

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 22461505213 - 2⁵ = 22461505181 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 (22461505223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1604393223 + ... + 1604393236.

It is an arithmetic number, because the mean of its divisors is an integer number (6417572920).

Almost surely, 2^22461505213 is an apocalyptic number.

It is an amenable number.

22461505213 is a deficient number, since it is larger than the sum of its proper divisors (3208786467).

22461505213 is an equidigital number, since it uses as much as digits as its factorization.

22461505213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3208786466.

The product of its (nonzero) digits is 14400, while the sum is 31.

The spelling of 22461505213 in words is "twenty-two billion, four hundred sixty-one million, five hundred five thousand, two hundred thirteen".