102201222 has 16 divisors (see below), whose sum is σ = 205964352. Its totient is φ = 33806760.

The previous prime is 102201217. The next prime is 102201227. The reversal of 102201222 is 222102201.

It is an interprime number because it is at equal distance from previous prime (102201217) and next prime (102201227).

It is a junction number, because it is equal to n+sod(n) for n = 102201198 and 102201207.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102201227) 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, 64228 + ... + 65799.

It is an arithmetic number, because the mean of its divisors is an integer number (12872772).

Almost surely, 2^102201222 is an apocalyptic number.

102201222 is an abundant number, since it is smaller than the sum of its proper divisors (103763130).

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

102201222 is a wasteful number, since it uses less digits than its factorization.

102201222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 130163.

The product of its (nonzero) digits is 32, while the sum is 12.

The square root of 102201222 is about 10109.4620034896. The cubic root of 102201222 is about 467.5399178551.

Adding to 102201222 its reverse (222102201), we get a palindrome (324303423).

It can be divided in two parts, 102201 and 222, that multiplied together give a palindrome (22688622).

The spelling of 102201222 in words is "one hundred two million, two hundred one thousand, two hundred twenty-two".