193930222 has 4 divisors (see below), whose sum is σ = 290895336. Its totient is φ = 96965110.

The previous prime is 193930171. The next prime is 193930223. The reversal of 193930222 is 222039391.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (193930223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 48482554 + ... + 48482557.

It is an arithmetic number, because the mean of its divisors is an integer number (72723834).

Almost surely, 2^193930222 is an apocalyptic number.

193930222 is a deficient number, since it is larger than the sum of its proper divisors (96965114).

193930222 is an equidigital number, since it uses as much as digits as its factorization.

193930222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 96965113.

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

The square root of 193930222 is about 13925.8831676846. The cubic root of 193930222 is about 578.8266230281.

The spelling of 193930222 in words is "one hundred ninety-three million, nine hundred thirty thousand, two hundred twenty-two".