102225515 has 24 divisors (see below), whose sum is σ = 143194032. Its totient is φ = 69854400.

The previous prime is 102225509. The next prime is 102225533. The reversal of 102225515 is 515522201.

It is not a de Polignac number, because 102225515 - 2¹⁰ = 102224491 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 96740 + ... + 97790.

It is an arithmetic number, because the mean of its divisors is an integer number (5966418).

Almost surely, 2^102225515 is an apocalyptic number.

102225515 is a deficient number, since it is larger than the sum of its proper divisors (40968517).

102225515 is a wasteful number, since it uses less digits than its factorization.

102225515 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1467 (or 1460 counting only the distinct ones).

The product of its (nonzero) digits is 1000, while the sum is 23.

The square root of 102225515 is about 10110.6634302602. The cubic root of 102225515 is about 467.5769593151.

Adding to 102225515 its reverse (515522201), we get a palindrome (617747716).

The spelling of 102225515 in words is "one hundred two million, two hundred twenty-five thousand, five hundred fifteen".