210242222 has 8 divisors (see below), whose sum is σ = 322697496. Its totient is φ = 102676392.

The previous prime is 210242171. The next prime is 210242243. The reversal of 210242222 is 222242012.

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

It is a super-2 number, since 2×210242222² = 88403583822994568, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 210242222.

It is a congruent number.

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 3 ways as a sum of consecutive naturals, for example, 1222253 + ... + 1222424.

It is an arithmetic number, because the mean of its divisors is an integer number (40337187).

Almost surely, 2^210242222 is an apocalyptic number.

210242222 is a deficient number, since it is larger than the sum of its proper divisors (112455274).

210242222 is a wasteful number, since it uses less digits than its factorization.

210242222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2444722.

The product of its (nonzero) digits is 256, while the sum is 17.

The square root of 210242222 is about 14499.7317906229. The cubic root of 210242222 is about 594.6206390008.

Adding to 210242222 its reverse (222242012), we get a palindrome (432484234).

The spelling of 210242222 in words is "two hundred ten million, two hundred forty-two thousand, two hundred twenty-two".