102221222 has 8 divisors (see below), whose sum is σ = 153552672. Its totient is φ = 51037000.

The previous prime is 102221213. The next prime is 102221237. The reversal of 102221222 is 222122201.

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

It is a junction number, because it is equal to n+sod(n) for n = 102221197 and 102221206.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 35054 + ... + 37857.

It is an arithmetic number, because the mean of its divisors is an integer number (19194084).

Almost surely, 2^102221222 is an apocalyptic number.

102221222 is a deficient number, since it is larger than the sum of its proper divisors (51331450).

102221222 is an equidigital number, since it uses as much as digits as its factorization.

102221222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73614.

The product of its (nonzero) digits is 64, while the sum is 14.

The square root of 102221222 is about 10110.4511274226. The cubic root of 102221222 is about 467.5704138651.

Adding to 102221222 its reverse (222122201), we get a palindrome (324343423).

The spelling of 102221222 in words is "one hundred two million, two hundred twenty-one thousand, two hundred twenty-two".