102226279 has 2 divisors, whose sum is σ = 102226280. Its totient is φ = 102226278.

The previous prime is 102226261. The next prime is 102226307. The reversal of 102226279 is 972622201.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 102226279 - 2¹¹ = 102224231 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 102226279.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (102226679) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51113139 + 51113140.

It is an arithmetic number, because the mean of its divisors is an integer number (51113140).

Almost surely, 2^102226279 is an apocalyptic number.

102226279 is a deficient number, since it is larger than the sum of its proper divisors (1).

102226279 is an equidigital number, since it uses as much as digits as its factorization.

102226279 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6048, while the sum is 31.

The square root of 102226279 is about 10110.7012120822. The cubic root of 102226279 is about 467.5781241511.

The spelling of 102226279 in words is "one hundred two million, two hundred twenty-six thousand, two hundred seventy-nine".