102422417 has 4 divisors (see below), whose sum is σ = 102539556. Its totient is φ = 102305280.

The previous prime is 102422393. The next prime is 102422423. The reversal of 102422417 is 714224201.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 14737921 + 87684496 = 3839^2 + 9364^2 .

It is a cyclic number.

It is not a de Polignac number, because 102422417 - 2¹⁰ = 102421393 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 102422392 and 102422401.

It is not an unprimeable number, because it can be changed into a prime (102422497) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 57248 + ... + 59009.

It is an arithmetic number, because the mean of its divisors is an integer number (25634889).

Almost surely, 2^102422417 is an apocalyptic number.

It is an amenable number.

102422417 is a deficient number, since it is larger than the sum of its proper divisors (117139).

102422417 is an equidigital number, since it uses as much as digits as its factorization.

102422417 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 117138.

The product of its (nonzero) digits is 896, while the sum is 23.

The square root of 102422417 is about 10120.3960890866. The cubic root of 102422417 is about 467.8769750532.

Adding to 102422417 its reverse (714224201), we get a palindrome (816646618).

The spelling of 102422417 in words is "one hundred two million, four hundred twenty-two thousand, four hundred seventeen".