102444222 has 16 divisors (see below), whose sum is σ = 207001872. Its totient is φ = 33795840.

The previous prime is 102444217. The next prime is 102444239. The reversal of 102444222 is 222444201.

It is a congruent number.

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, 87429 + ... + 88592.

It is an arithmetic number, because the mean of its divisors is an integer number (12937617).

Almost surely, 2^102444222 is an apocalyptic number.

102444222 is an abundant number, since it is smaller than the sum of its proper divisors (104557650).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

102444222 is a wasteful number, since it uses less digits than its factorization.

102444222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 176123.

The product of its (nonzero) digits is 1024, while the sum is 21.

The square root of 102444222 is about 10121.4733117269. The cubic root of 102444222 is about 467.9101752511.

Subtracting from 102444222 its sum of digits (21), we obtain a palindrome (102444201).

Adding to 102444222 its reverse (222444201), we get a palindrome (324888423).

The spelling of 102444222 in words is "one hundred two million, four hundred forty-four thousand, two hundred twenty-two".