22461640313205 has 32 divisors (see below), whose sum is σ = 37187319087360. Its totient is φ = 11563519564800.

The previous prime is 22461640313197. The next prime is 22461640313257. The reversal of 22461640313205 is 50231304616422.

It is not a de Polignac number, because 22461640313205 - 2³ = 22461640313197 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4832596 + ... + 8263005.

It is an arithmetic number, because the mean of its divisors is an integer number (1162103721480).

Almost surely, 2^{22461640313205} is an apocalyptic number.

It is an amenable number.

22461640313205 is a deficient number, since it is larger than the sum of its proper divisors (14725678774155).

22461640313205 is a wasteful number, since it uses less digits than its factorization.

22461640313205 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13099581.

The product of its (nonzero) digits is 207360, while the sum is 39.

Adding to 22461640313205 its reverse (50231304616422), we get a palindrome (72692944929627).

The spelling of 22461640313205 in words is "twenty-two trillion, four hundred sixty-one billion, six hundred forty million, three hundred thirteen thousand, two hundred five".