102302227 has 4 divisors (see below), whose sum is σ = 105829920. Its totient is φ = 98774536.

The previous prime is 102302219. The next prime is 102302261. The reversal of 102302227 is 722203201.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 722203201 = 10243 ⋅70507.

It is a cyclic number.

It is not a de Polignac number, because 102302227 - 2³ = 102302219 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (102302527) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1763803 + ... + 1763860.

It is an arithmetic number, because the mean of its divisors is an integer number (26457480).

Almost surely, 2^102302227 is an apocalyptic number.

102302227 is a deficient number, since it is larger than the sum of its proper divisors (3527693).

102302227 is an equidigital number, since it uses as much as digits as its factorization.

102302227 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3527692.

The product of its (nonzero) digits is 336, while the sum is 19.

The square root of 102302227 is about 10114.4563373421. The cubic root of 102302227 is about 467.6938896634.

Adding to 102302227 its reverse (722203201), we get a palindrome (824505428).

The spelling of 102302227 in words is "one hundred two million, three hundred two thousand, two hundred twenty-seven".