22864220154 has 24 divisors (see below), whose sum is σ = 49593797760. Its totient is φ = 7612998408.

The previous prime is 22864220153. The next prime is 22864220161. The reversal of 22864220154 is 45102246822.

22864220154 is a `hidden beast` number, since 2 + 2 + 8 + 642 + 2 + 0 + 1 + 5 + 4 = 666.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (22864220153) 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 11 ways as a sum of consecutive naturals, for example, 683914 + ... + 716565.

It is an arithmetic number, because the mean of its divisors is an integer number (2066408240).

Almost surely, 2^22864220154 is an apocalyptic number.

22864220154 is an abundant number, since it is smaller than the sum of its proper divisors (26729577606).

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

22864220154 is a wasteful number, since it uses less digits than its factorization.

22864220154 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1401394 (or 1401391 counting only the distinct ones).

The product of its (nonzero) digits is 61440, while the sum is 36.

Adding to 22864220154 its reverse (45102246822), we get a palindrome (67966466976).

The spelling of 22864220154 in words is "twenty-two billion, eight hundred sixty-four million, two hundred twenty thousand, one hundred fifty-four".