102226361 has 2 divisors, whose sum is σ = 102226362. Its totient is φ = 102226360.

The previous prime is 102226307. The next prime is 102226381. The reversal of 102226361 is 163622201.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 79995136 + 22231225 = 8944^2 + 4715^2 .

It is a cyclic number.

It is not a de Polignac number, because 102226361 - 2²² = 98032057 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (102226381) by changing a digit.

It is a good prime.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51113180 + 51113181.

It is an arithmetic number, because the mean of its divisors is an integer number (51113181).

Almost surely, 2^102226361 is an apocalyptic number.

It is an amenable number.

102226361 is a deficient number, since it is larger than the sum of its proper divisors (1).

102226361 is an equidigital number, since it uses as much as digits as its factorization.

102226361 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 864, while the sum is 23.

The square root of 102226361 is about 10110.7052671908. The cubic root of 102226361 is about 467.5782491725.

Adding to 102226361 its reverse (163622201), we get a palindrome (265848562).

The spelling of 102226361 in words is "one hundred two million, two hundred twenty-six thousand, three hundred sixty-one".