102228377 has 2 divisors, whose sum is σ = 102228378. Its totient is φ = 102228376.

The previous prime is 102228349. The next prime is 102228383. The reversal of 102228377 is 773822201.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 98883136 + 3345241 = 9944^2 + 1829^2 .

It is a cyclic number.

It is not a de Polignac number, because 102228377 - 2²⁴ = 85451161 is a prime.

It is not a weakly prime, because it can be changed into another prime (102221377) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51114188 + 51114189.

It is an arithmetic number, because the mean of its divisors is an integer number (51114189).

Almost surely, 2^102228377 is an apocalyptic number.

It is an amenable number.

102228377 is a deficient number, since it is larger than the sum of its proper divisors (1).

102228377 is an equidigital number, since it uses as much as digits as its factorization.

102228377 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 9408, while the sum is 32.

The square root of 102228377 is about 10110.8049630086. The cubic root of 102228377 is about 467.5813228466.

The spelling of 102228377 in words is "one hundred two million, two hundred twenty-eight thousand, three hundred seventy-seven".