22887420845 has 8 divisors (see below), whose sum is σ = 27527470080. Its totient is φ = 18268226640.

The previous prime is 22887420749. The next prime is 22887420851. The reversal of 22887420845 is 54802478822.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 22887420845 - 2¹⁴ = 22887404461 is a prime.

It is a super-2 number, since 2×22887420845² (a number of 22 digits) contains 22 as substring.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 22887420793 and 22887420802.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5211341 + ... + 5215730.

It is an arithmetic number, because the mean of its divisors is an integer number (3440933760).

Almost surely, 2^22887420845 is an apocalyptic number.

It is an amenable number.

22887420845 is a deficient number, since it is larger than the sum of its proper divisors (4640049235).

22887420845 is a wasteful number, since it uses less digits than its factorization.

22887420845 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10427515.

The product of its (nonzero) digits is 2293760, while the sum is 50.

The spelling of 22887420845 in words is "twenty-two billion, eight hundred eighty-seven million, four hundred twenty thousand, eight hundred forty-five".