22405531027 has 4 divisors (see below), whose sum is σ = 24442397496. Its totient is φ = 20368664560.

The previous prime is 22405531013. The next prime is 22405531067. The reversal of 22405531027 is 72013550422.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22405531027 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 22405531027.

It is not an unprimeable number, because it can be changed into a prime (22405531067) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1018433218 + ... + 1018433239.

It is an arithmetic number, because the mean of its divisors is an integer number (6110599374).

Almost surely, 2^22405531027 is an apocalyptic number.

22405531027 is a deficient number, since it is larger than the sum of its proper divisors (2036866469).

22405531027 is a wasteful number, since it uses less digits than its factorization.

22405531027 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2036866468.

The product of its (nonzero) digits is 16800, while the sum is 31.

The spelling of 22405531027 in words is "twenty-two billion, four hundred five million, five hundred thirty-one thousand, twenty-seven".