22461867364385 has 8 divisors (see below), whose sum is σ = 26989847500776. Its totient is φ = 17945756115840.

The previous prime is 22461867364373. The next prime is 22461867364393. The reversal of 22461867364385 is 58346376816422.

It can be written as a sum of positive squares in 4 ways, for example, as 3153849224464 + 19308018139921 = 1775908^2 + 4394089^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 22461867364385 - 2¹⁴ = 22461867348001 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2967217796 + ... + 2967225365.

It is an arithmetic number, because the mean of its divisors is an integer number (3373730937597).

Almost surely, 2^{22461867364385} is an apocalyptic number.

It is an amenable number.

22461867364385 is a deficient number, since it is larger than the sum of its proper divisors (4527980136391).

22461867364385 is an equidigital number, since it uses as much as digits as its factorization.

22461867364385 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5934443923.

The product of its digits is 278691840, while the sum is 65.

The spelling of 22461867364385 in words is "twenty-two trillion, four hundred sixty-one billion, eight hundred sixty-seven million, three hundred sixty-four thousand, three hundred eighty-five".