193922228 has 6 divisors (see below), whose sum is σ = 339363906. Its totient is φ = 96961112.

The previous prime is 193922219. The next prime is 193922231. The reversal of 193922228 is 822229391.

It can be written as a sum of positive squares in only one way, i.e., 160073104 + 33849124 = 12652^2 + 5818^2 .

It is a junction number, because it is equal to n+sod(n) for n = 193922191 and 193922200.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24240275 + ... + 24240282.

It is an arithmetic number, because the mean of its divisors is an integer number (56560651).

Almost surely, 2^193922228 is an apocalyptic number.

It is an amenable number.

193922228 is a deficient number, since it is larger than the sum of its proper divisors (145441678).

193922228 is a wasteful number, since it uses less digits than its factorization.

193922228 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48480561 (or 48480559 counting only the distinct ones).

The product of its digits is 31104, while the sum is 38.

The square root of 193922228 is about 13925.5961452284. The cubic root of 193922228 is about 578.8186696458.

The spelling of 193922228 in words is "one hundred ninety-three million, nine hundred twenty-two thousand, two hundred twenty-eight".