22145067774 has 48 divisors (see below), whose sum is σ = 48489333984. Its totient is φ = 7303608000.

The previous prime is 22145067767. The next prime is 22145067779. The reversal of 22145067774 is 47776054122.

22145067774 is a `hidden beast` number, since 2 + 2 + 1 + 4 + 506 + 77 + 74 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22145067779) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2407464 + ... + 2416644.

It is an arithmetic number, because the mean of its divisors is an integer number (1010194458).

Almost surely, 2^22145067774 is an apocalyptic number.

22145067774 is an abundant number, since it is smaller than the sum of its proper divisors (26344266210).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

22145067774 is a wasteful number, since it uses less digits than its factorization.

22145067774 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10593 (or 10590 counting only the distinct ones).

The product of its (nonzero) digits is 658560, while the sum is 45.

The spelling of 22145067774 in words is "twenty-two billion, one hundred forty-five million, sixty-seven thousand, seven hundred seventy-four".