193222930 has 16 divisors (see below), whose sum is σ = 349726104. Its totient is φ = 76861440.

The previous prime is 193222891. The next prime is 193222937. The reversal of 193222930 is 39222391.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 110649361 + 82573569 = 10519^2 + 9087^2 .

It is a junction number, because it is equal to n+sod(n) for n = 193222892 and 193222901.

It is not an unprimeable number, because it can be changed into a prime (193222937) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 51567 + ... + 55186.

Almost surely, 2^193222930 is an apocalyptic number.

193222930 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

193222930 is a deficient number, since it is larger than the sum of its proper divisors (156503174).

193222930 is a wasteful number, since it uses less digits than its factorization.

193222930 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 106941.

The product of its (nonzero) digits is 5832, while the sum is 31.

The square root of 193222930 is about 13900.4651001324. The cubic root of 193222930 is about 578.1220772387.

The spelling of 193222930 in words is "one hundred ninety-three million, two hundred twenty-two thousand, nine hundred thirty".