22019204493 has 48 divisors (see below), whose sum is σ = 37508575104. Its totient is φ = 12271409280.

The previous prime is 22019204483. The next prime is 22019204507. The reversal of 22019204493 is 39440291022.

22019204493 is a `hidden beast` number, since 2 + 20 + 192 + 0 + 449 + 3 = 666.

It is not a de Polignac number, because 22019204493 - 2⁸ = 22019204237 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22019204483) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 305955 + ... + 371007.

It is an arithmetic number, because the mean of its divisors is an integer number (781428648).

Almost surely, 2^22019204493 is an apocalyptic number.

It is an amenable number.

22019204493 is a deficient number, since it is larger than the sum of its proper divisors (15489370611).

22019204493 is a wasteful number, since it uses less digits than its factorization.

22019204493 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65346 (or 65343 counting only the distinct ones).

The product of its (nonzero) digits is 31104, while the sum is 36.

The spelling of 22019204493 in words is "twenty-two billion, nineteen million, two hundred four thousand, four hundred ninety-three".