217050106 has 24 divisors (see below), whose sum is σ = 407865780. Its totient is φ = 85865472.

The previous prime is 217050083. The next prime is 217050109. The reversal of 217050106 is 601050712.

217050106 is digitally balanced in base 3, 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 2 ways, for example, as 213014025 + 4036081 = 14595^2 + 2009^2 .

It is a super-2 number, since 2×217050106² = 94221497029222472, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (217050109) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 83911 + ... + 86458.

Almost surely, 2^217050106 is an apocalyptic number.

217050106 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

217050106 is a deficient number, since it is larger than the sum of its proper divisors (190815674).

217050106 is a wasteful number, since it uses less digits than its factorization.

217050106 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 170398 (or 170391 counting only the distinct ones).

The product of its (nonzero) digits is 420, while the sum is 22.

The square root of 217050106 is about 14732.6204729505. The cubic root of 217050106 is about 600.9707489342.

It can be divided in two parts, 217050 and 106, that added together give a square (217156 = 466²).

The spelling of 217050106 in words is "two hundred seventeen million, fifty thousand, one hundred six".