102220375 has 16 divisors (see below), whose sum is σ = 128052288. Its totient is φ = 81468000.

The previous prime is 102220351. The next prime is 102220379. The reversal of 102220375 is 573022201.

It is not a de Polignac number, because 102220375 - 2⁵ = 102220343 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102220379) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 35230 + ... + 38020.

It is an arithmetic number, because the mean of its divisors is an integer number (8003268).

Almost surely, 2^102220375 is an apocalyptic number.

102220375 is a deficient number, since it is larger than the sum of its proper divisors (25831913).

102220375 is an equidigital number, since it uses as much as digits as its factorization.

102220375 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3099 (or 3089 counting only the distinct ones).

The product of its (nonzero) digits is 840, while the sum is 22.

The square root of 102220375 is about 10110.4092399863. The cubic root of 102220375 is about 467.5691224397.

Adding to 102220375 its reverse (573022201), we get a palindrome (675242576).

The spelling of 102220375 in words is "one hundred two million, two hundred twenty thousand, three hundred seventy-five".