22847951378 has 18 divisors (see below), whose sum is σ = 39869954901. Its totient is φ = 9791337864.

The previous prime is 22847951377. The next prime is 22847951411. The reversal of 22847951378 is 87315974822.

It can be written as a sum of positive squares in 2 ways, for example, as 22795866289 + 52085089 = 150983^2 + 7217^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=106883.

It is not an unprimeable number, because it can be changed into a prime (22847951377) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 1488728 + ... + 1503996.

Almost surely, 2^22847951378 is an apocalyptic number.

22847951378 is a deficient number, since it is larger than the sum of its proper divisors (17022003523).

22847951378 is an frugal number, since it uses more digits than its factorization.

22847951378 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30554 (or 15278 counting only the distinct ones).

The product of its digits is 6773760, while the sum is 56.

The spelling of 22847951378 in words is "twenty-two billion, eight hundred forty-seven million, nine hundred fifty-one thousand, three hundred seventy-eight".