102221235 has 24 divisors (see below), whose sum is σ = 186510480. Its totient is φ = 51648192.

The previous prime is 102221213. The next prime is 102221237. The reversal of 102221235 is 532122201.

It is not a de Polignac number, because 102221235 - 2¹⁶ = 102155699 is a prime.

It is not an unprimeable number, because it can be changed into a prime (102221237) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 58924 + ... + 60633.

It is an arithmetic number, because the mean of its divisors is an integer number (7771270).

Almost surely, 2^102221235 is an apocalyptic number.

102221235 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

102221235 is a deficient number, since it is larger than the sum of its proper divisors (84289245).

102221235 is a wasteful number, since it uses less digits than its factorization.

102221235 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 119587 (or 119584 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 18.

The square root of 102221235 is about 10110.4517703216. The cubic root of 102221235 is about 467.5704336862.

Adding to 102221235 its reverse (532122201), we get a palindrome (634343436).

The spelling of 102221235 in words is "one hundred two million, two hundred twenty-one thousand, two hundred thirty-five".