22927544641 has 4 divisors (see below), whose sum is σ = 23924394432. Its totient is φ = 21930694852.

The previous prime is 22927544621. The next prime is 22927544657. The reversal of 22927544641 is 14644572922.

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 a de Polignac number, because none of the positive numbers 2^k-22927544641 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 22927544591 and 22927544600.

It is not an unprimeable number, because it can be changed into a prime (22927544621) 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, 498424861 + ... + 498424906.

It is an arithmetic number, because the mean of its divisors is an integer number (5981098608).

Almost surely, 2^22927544641 is an apocalyptic number.

It is an amenable number.

22927544641 is a deficient number, since it is larger than the sum of its proper divisors (996849791).

22927544641 is an equidigital number, since it uses as much as digits as its factorization.

22927544641 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 996849790.

The product of its digits is 967680, while the sum is 46.

The spelling of 22927544641 in words is "twenty-two billion, nine hundred twenty-seven million, five hundred forty-four thousand, six hundred forty-one".