194223938530 has 32 divisors (see below), whose sum is σ = 355478035968. Its totient is φ = 76389902400.

The previous prime is 194223938527. The next prime is 194223938563. The reversal of 194223938530 is 35839322491.

194223938530 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It is a super-3 number, since 3×194223938530³ (a number of 35 digits) contains 333 as substring.

It is an unprimeable number.

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, 101866 + ... + 631525.

It is an arithmetic number, because the mean of its divisors is an integer number (11108688624).

Almost surely, 2^194223938530 is an apocalyptic number.

194223938530 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

194223938530 is a deficient number, since it is larger than the sum of its proper divisors (161254097438).

194223938530 is a wasteful number, since it uses less digits than its factorization.

194223938530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 733842.

The product of its (nonzero) digits is 1399680, while the sum is 49.

The spelling of 194223938530 in words is "one hundred ninety-four billion, two hundred twenty-three million, nine hundred thirty-eight thousand, five hundred thirty".