102226287 has 16 divisors (see below), whose sum is σ = 144966240. Its totient is φ = 63854592.

The previous prime is 102226279. The next prime is 102226307. The reversal of 102226287 is 782622201.

It is not a de Polignac number, because 102226287 - 2³ = 102226279 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102226217) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7303 + ... + 16055.

It is an arithmetic number, because the mean of its divisors is an integer number (9060390).

Almost surely, 2^102226287 is an apocalyptic number.

102226287 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

102226287 is a deficient number, since it is larger than the sum of its proper divisors (42739953).

102226287 is a wasteful number, since it uses less digits than its factorization.

102226287 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9002.

The product of its (nonzero) digits is 5376, while the sum is 30.

The square root of 102226287 is about 10110.7016077026. The cubic root of 102226287 is about 467.5781363484.

Adding to 102226287 its reverse (782622201), we get a palindrome (884848488).

The spelling of 102226287 in words is "one hundred two million, two hundred twenty-six thousand, two hundred eighty-seven".