102466221 has 48 divisors (see below), whose sum is σ = 170058240. Its totient is φ = 54250560.

The previous prime is 102466187. The next prime is 102466229. The reversal of 102466221 is 122664201.

It is not a de Polignac number, because 102466221 - 2²¹ = 100369069 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 102466191 and 102466200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102466229) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 105480 + ... + 106446.

It is an arithmetic number, because the mean of its divisors is an integer number (3542880).

Almost surely, 2^102466221 is an apocalyptic number.

102466221 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

102466221 is a deficient number, since it is larger than the sum of its proper divisors (67592019).

102466221 is a wasteful number, since it uses less digits than its factorization.

102466221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1026 (or 1013 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 24.

The square root of 102466221 is about 10122.5600022919. The cubic root of 102466221 is about 467.9436660588.

The spelling of 102466221 in words is "one hundred two million, four hundred sixty-six thousand, two hundred twenty-one".