193229090 has 16 divisors (see below), whose sum is σ = 353515320. Its totient is φ = 76024320.

The previous prime is 193229083. The next prime is 193229131. The reversal of 193229090 is 90922391.

It can be written as a sum of positive squares in 4 ways, for example, as 60357361 + 132871729 = 7769^2 + 11527^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 193229090.

It is an unprimeable number.

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, 157775 + ... + 158994.

Almost surely, 2^193229090 is an apocalyptic number.

193229090 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

193229090 is a deficient number, since it is larger than the sum of its proper divisors (160286230).

193229090 is a wasteful number, since it uses less digits than its factorization.

193229090 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 316837.

The product of its (nonzero) digits is 8748, while the sum is 35.

The square root of 193229090 is about 13900.6866736863. The cubic root of 193229090 is about 578.1282207369.

The spelling of 193229090 in words is "one hundred ninety-three million, two hundred twenty-nine thousand, ninety".