102306226 has 12 divisors (see below), whose sum is σ = 168678846. Its totient is φ = 46502720.

The previous prime is 102306223. The next prime is 102306227. The reversal of 102306226 is 622603201.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 101304225 + 1002001 = 10065^2 + 1001^2 .

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a junction number, because it is equal to n+sod(n) for n = 102306197 and 102306206.

It is not an unprimeable number, because it can be changed into a prime (102306223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 211135 + ... + 211618.

Almost surely, 2^102306226 is an apocalyptic number.

102306226 is a deficient number, since it is larger than the sum of its proper divisors (66372620).

102306226 is a wasteful number, since it uses less digits than its factorization.

102306226 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 422777 (or 422766 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 22.

The square root of 102306226 is about 10114.6540227533. The cubic root of 102306226 is about 467.6999836445.

Adding to 102306226 its reverse (622603201), we get a palindrome (724909427).

The spelling of 102306226 in words is "one hundred two million, three hundred six thousand, two hundred twenty-six".