102215227 has 8 divisors (see below), whose sum is σ = 105886800. Its totient is φ = 98553504.

The previous prime is 102215209. The next prime is 102215233. The reversal of 102215227 is 722512201.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 102215227 - 2¹⁵ = 102182459 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 102215198 and 102215207.

It is not an unprimeable number, because it can be changed into a prime (102215207) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23424 + ... + 27442.

It is an arithmetic number, because the mean of its divisors is an integer number (13235850).

Almost surely, 2^102215227 is an apocalyptic number.

102215227 is a deficient number, since it is larger than the sum of its proper divisors (3671573).

102215227 is an equidigital number, since it uses as much as digits as its factorization.

102215227 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4925.

The product of its (nonzero) digits is 560, while the sum is 22.

The square root of 102215227 is about 10110.1546476797. The cubic root of 102215227 is about 467.5612731036.

Adding to 102215227 its reverse (722512201), we get a palindrome (824727428).

The spelling of 102215227 in words is "one hundred two million, two hundred fifteen thousand, two hundred twenty-seven".