102122224 has 40 divisors (see below), whose sum is σ = 206415360. Its totient is φ = 48883968.

The previous prime is 102122221. The next prime is 102122227. The reversal of 102122224 is 422221201.

It is an interprime number because it is at equal distance from previous prime (102122221) and next prime (102122227).

It is a Harshad number since it is a multiple of its sum of digits (16).

It is a junction number, because it is equal to n+sod(n) for n = 102122198 and 102122207.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102122221) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 58062 + ... + 59794.

It is an arithmetic number, because the mean of its divisors is an integer number (5160384).

Almost surely, 2^102122224 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 102122224, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (103207680).

102122224 is an abundant number, since it is smaller than the sum of its proper divisors (104293136).

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

102122224 is a wasteful number, since it uses less digits than its factorization.

102122224 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1897 (or 1891 counting only the distinct ones).

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

The square root of 102122224 is about 10105.5541164253. The cubic root of 102122224 is about 467.4194227566.

Adding to 102122224 its reverse (422221201), we get a palindrome (524343425).

The spelling of 102122224 in words is "one hundred two million, one hundred twenty-two thousand, two hundred twenty-four".