102226665 has 32 divisors (see below), whose sum is σ = 167961600. Its totient is φ = 53071616.

The previous prime is 102226643. The next prime is 102226673. The reversal of 102226665 is 566622201.

It is a cyclic number.

It is not a de Polignac number, because 102226665 - 2⁶ = 102226601 is a prime.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 118024 + ... + 118886.

It is an arithmetic number, because the mean of its divisors is an integer number (5248800).

Almost surely, 2^102226665 is an apocalyptic number.

102226665 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

102226665 is a deficient number, since it is larger than the sum of its proper divisors (65734935).

102226665 is a wasteful number, since it uses less digits than its factorization.

102226665 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1073.

The product of its (nonzero) digits is 8640, while the sum is 30.

The square root of 102226665 is about 10110.7203007501. The cubic root of 102226665 is about 467.5787126656.

Adding to 102226665 its reverse (566622201), we get a palindrome (668848866).

The spelling of 102226665 in words is "one hundred two million, two hundred twenty-six thousand, six hundred sixty-five".