22727542775 has 12 divisors (see below), whose sum is σ = 32208175152. Its totient is φ = 15584600640.

The previous prime is 22727542757. The next prime is 22727542787. The reversal of 22727542775 is 57724572722.

It is not a de Polignac number, because 22727542775 - 2⁶ = 22727542711 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 64935662 + ... + 64936011.

It is an arithmetic number, because the mean of its divisors is an integer number (2684014596).

Almost surely, 2^22727542775 is an apocalyptic number.

22727542775 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

22727542775 is a deficient number, since it is larger than the sum of its proper divisors (9480632377).

22727542775 is a wasteful number, since it uses less digits than its factorization.

22727542775 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 129871690 (or 129871685 counting only the distinct ones).

The product of its digits is 3841600, while the sum is 50.

The spelling of 22727542775 in words is "twenty-two billion, seven hundred twenty-seven million, five hundred forty-two thousand, seven hundred seventy-five".