210099229 has 8 divisors (see below), whose sum is σ = 217559160. Its totient is φ = 202653696.

The previous prime is 210099199. The next prime is 210099251. The reversal of 210099229 is 922990012.

210099229 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 139129 + 209960100 = 373^2 + 14490^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-210099229 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 210099194 and 210099203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (210090229) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 32317 + ... + 38269.

It is an arithmetic number, because the mean of its divisors is an integer number (27194895).

Almost surely, 2^210099229 is an apocalyptic number.

210099229 is a gapful number since it is divisible by the number (29) formed by its first and last digit.

It is an amenable number.

210099229 is a deficient number, since it is larger than the sum of its proper divisors (7459931).

210099229 is a wasteful number, since it uses less digits than its factorization.

210099229 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7199.

The product of its (nonzero) digits is 5832, while the sum is 34.

The square root of 210099229 is about 14494.8000676105. The cubic root of 210099229 is about 594.4858010790.

The spelling of 210099229 in words is "two hundred ten million, ninety-nine thousand, two hundred twenty-nine".