102226615 has 4 divisors (see below), whose sum is σ = 122671944. Its totient is φ = 81781288.

The previous prime is 102226603. The next prime is 102226643. The reversal of 102226615 is 516622201.

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

It is a cyclic number.

It is not a de Polignac number, because 102226615 - 2⁵ = 102226583 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 102226615.

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 3 ways as a sum of consecutive naturals, for example, 10222657 + ... + 10222666.

It is an arithmetic number, because the mean of its divisors is an integer number (30667986).

Almost surely, 2^102226615 is an apocalyptic number.

102226615 is a deficient number, since it is larger than the sum of its proper divisors (20445329).

102226615 is an equidigital number, since it uses as much as digits as its factorization.

102226615 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20445328.

The product of its (nonzero) digits is 1440, while the sum is 25.

The square root of 102226615 is about 10110.7178281267. The cubic root of 102226615 is about 467.5786364332.

Adding to 102226615 its reverse (516622201), we get a palindrome (618848816).

The spelling of 102226615 in words is "one hundred two million, two hundred twenty-six thousand, six hundred fifteen".