102605822 has 12 divisors (see below), whose sum is σ = 169172808. Its totient is φ = 46638900.

The previous prime is 102605813. The next prime is 102605851. The reversal of 102605822 is 228506201.

It is a junction number, because it is equal to n+sod(n) for n = 102605791 and 102605800.

It is a congruent number.

It is an unprimeable number.

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 5 ways as a sum of consecutive naturals, for example, 211754 + ... + 212237.

It is an arithmetic number, because the mean of its divisors is an integer number (14097734).

Almost surely, 2^102605822 is an apocalyptic number.

102605822 is a deficient number, since it is larger than the sum of its proper divisors (66566986).

102605822 is a wasteful number, since it uses less digits than its factorization.

102605822 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 424015 (or 424004 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 26.

The square root of 102605822 is about 10129.4531935342. The cubic root of 102605822 is about 468.1560799934.

The spelling of 102605822 in words is "one hundred two million, six hundred five thousand, eight hundred twenty-two".