190868229 has 6 divisors (see below), whose sum is σ = 275698566. Its totient is φ = 127245480.

The previous prime is 190868221. The next prime is 190868233. The reversal of 190868229 is 922868091.

It can be written as a sum of positive squares in only one way, i.e., 126900225 + 63968004 = 11265^2 + 7998^2 .

It is not a de Polignac number, because 190868229 - 2³ = 190868221 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (190868221) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 10603782 + ... + 10603799.

It is an arithmetic number, because the mean of its divisors is an integer number (45949761).

Almost surely, 2^190868229 is an apocalyptic number.

It is an amenable number.

190868229 is a deficient number, since it is larger than the sum of its proper divisors (84830337).

190868229 is a wasteful number, since it uses less digits than its factorization.

190868229 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21207587 (or 21207584 counting only the distinct ones).

The product of its (nonzero) digits is 124416, while the sum is 45.

The square root of 190868229 is about 13815.5068310938. The cubic root of 190868229 is about 575.7640544774.

The spelling of 190868229 in words is "one hundred ninety million, eight hundred sixty-eight thousand, two hundred twenty-nine".