102227712 has 36 divisors (see below), whose sum is σ = 272076840. Its totient is φ = 34075648.

The previous prime is 102227711. The next prime is 102227731. The reversal of 102227712 is 217722201.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102227711) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 65787 + ... + 67322.

It is an arithmetic number, because the mean of its divisors is an integer number (7557690).

Almost surely, 2^102227712 is an apocalyptic number.

102227712 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

102227712 is an abundant number, since it is smaller than the sum of its proper divisors (169849128).

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

102227712 is an equidigital number, since it uses as much as digits as its factorization.

102227712 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 133128 (or 133114 counting only the distinct ones).

The product of its (nonzero) digits is 784, while the sum is 24.

The square root of 102227712 is about 10110.7720773440. The cubic root of 102227712 is about 467.5803089655.

Adding to 102227712 its reverse (217722201), we get a palindrome (319949913).

The spelling of 102227712 in words is "one hundred two million, two hundred twenty-seven thousand, seven hundred twelve".