210122242 has 16 divisors (see below), whose sum is σ = 351153792. Its totient is φ = 93477520.

The previous prime is 210122207. The next prime is 210122279. The reversal of 210122242 is 242221012.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 100573 + ... + 102640.

It is an arithmetic number, because the mean of its divisors is an integer number (21947112).

Almost surely, 2^210122242 is an apocalyptic number.

210122242 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

210122242 is a deficient number, since it is larger than the sum of its proper divisors (141031550).

210122242 is a wasteful number, since it uses less digits than its factorization.

210122242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 203273.

The product of its (nonzero) digits is 128, while the sum is 16.

The square root of 210122242 is about 14495.5938822802. The cubic root of 210122242 is about 594.5075057474.

Adding to 210122242 its reverse (242221012), we get a palindrome (452343254).

The spelling of 210122242 in words is "two hundred ten million, one hundred twenty-two thousand, two hundred forty-two".