102030222 has 64 divisors (see below), whose sum is σ = 240920064. Its totient is φ = 28200960.

The previous prime is 102030217. The next prime is 102030233. The reversal of 102030222 is 222030201.

It is a junction number, because it is equal to n+sod(n) for n = 102030198 and 102030207.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 332193 + ... + 332499.

It is an arithmetic number, because the mean of its divisors is an integer number (3764376).

Almost surely, 2^102030222 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 102030222, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (120460032).

102030222 is an abundant number, since it is smaller than the sum of its proper divisors (138889842).

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

102030222 is a wasteful number, since it uses less digits than its factorization.

102030222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 553.

The product of its (nonzero) digits is 48, while the sum is 12.

The square root of 102030222 is about 10101.0010395010. The cubic root of 102030222 is about 467.2790143959.

Adding to 102030222 its reverse (222030201), we get a palindrome (324060423).

The spelling of 102030222 in words is "one hundred two million, thirty thousand, two hundred twenty-two".