22978028347 has 16 divisors (see below), whose sum is σ = 24267600000. Its totient is φ = 21696609024.

The previous prime is 22978028317. The next prime is 22978028357. The reversal of 22978028347 is 74382087922.

It is a cyclic number.

It is not a de Polignac number, because 22978028347 - 2¹¹ = 22978026299 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 22978028294 and 22978028303.

It is not an unprimeable number, because it can be changed into a prime (22978028317) 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, 12163179 + ... + 12165067.

It is an arithmetic number, because the mean of its divisors is an integer number (1516725000).

Almost surely, 2^22978028347 is an apocalyptic number.

22978028347 is a deficient number, since it is larger than the sum of its proper divisors (1289571653).

22978028347 is a wasteful number, since it uses less digits than its factorization.

22978028347 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3690.

The product of its (nonzero) digits is 2709504, while the sum is 52.

The spelling of 22978028347 in words is "twenty-two billion, nine hundred seventy-eight million, twenty-eight thousand, three hundred forty-seven".