22677731545 has 16 divisors (see below), whose sum is σ = 31109614848. Its totient is φ = 15546081600.

The previous prime is 22677731543. The next prime is 22677731563. The reversal of 22677731545 is 54513777622.

It is not a de Polignac number, because 22677731545 - 2¹ = 22677731543 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22677731543) 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 15 ways as a sum of consecutive naturals, for example, 38220 + ... + 216370.

It is an arithmetic number, because the mean of its divisors is an integer number (1944350928).

Almost surely, 2^22677731545 is an apocalyptic number.

It is an amenable number.

22677731545 is a deficient number, since it is larger than the sum of its proper divisors (8431883303).

22677731545 is a wasteful number, since it uses less digits than its factorization.

22677731545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 181800.

The product of its digits is 2469600, while the sum is 49.

The spelling of 22677731545 in words is "twenty-two billion, six hundred seventy-seven million, seven hundred thirty-one thousand, five hundred forty-five".