102222212 has 24 divisors (see below), whose sum is σ = 187488000. Its totient is φ = 48673856.

The previous prime is 102222209. The next prime is 102222233. The reversal of 102222212 is 212222201.

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, 19664 + ... + 24312.

It is an arithmetic number, because the mean of its divisors is an integer number (7812000).

Almost surely, 2^102222212 is an apocalyptic number.

It is an amenable number.

102222212 is a deficient number, since it is larger than the sum of its proper divisors (85265788).

102222212 is a wasteful number, since it uses less digits than its factorization.

102222212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4915 (or 4913 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 14.

The square root of 102222212 is about 10110.5000865437. The cubic root of 102222212 is about 467.5719233142.

Adding to 102222212 its reverse (212222201), we get a palindrome (314444413).

It can be divided in two parts, 10 and 2222212, that added together give a palindrome (2222222).

The spelling of 102222212 in words is "one hundred two million, two hundred twenty-two thousand, two hundred twelve".