22078583394 has 32 divisors (see below), whose sum is σ = 51696199296. Its totient is φ = 6154308480.

The previous prime is 22078583363. The next prime is 22078583413. The reversal of 22078583394 is 49338587022.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6409017 + ... + 6412460.

It is an arithmetic number, because the mean of its divisors is an integer number (1615506228).

Almost surely, 2^22078583394 is an apocalyptic number.

22078583394 is an abundant number, since it is smaller than the sum of its proper divisors (29617615902).

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

22078583394 is a wasteful number, since it uses less digits than its factorization.

22078583394 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12821530.

The product of its (nonzero) digits is 2903040, while the sum is 51.

The spelling of 22078583394 in words is "twenty-two billion, seventy-eight million, five hundred eighty-three thousand, three hundred ninety-four".