102212230 has 16 divisors (see below), whose sum is σ = 191981664. Its totient is φ = 39107200.

The previous prime is 102212219. The next prime is 102212237. The reversal of 102212230 is 32212201.

It is a self number, because there is not a number n which added to its sum of digits gives 102212230.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102212237) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 221971 + ... + 222430.

It is an arithmetic number, because the mean of its divisors is an integer number (11998854).

Almost surely, 2^102212230 is an apocalyptic number.

102212230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

102212230 is a deficient number, since it is larger than the sum of its proper divisors (89769434).

102212230 is a wasteful number, since it uses less digits than its factorization.

102212230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 444431.

The product of its (nonzero) digits is 48, while the sum is 13.

The square root of 102212230 is about 10110.0064292759. The cubic root of 102212230 is about 467.5567033512.

Adding to 102212230 its reverse (32212201), we get a palindrome (134424431).

The spelling of 102212230 in words is "one hundred two million, two hundred twelve thousand, two hundred thirty".