102223505 has 8 divisors (see below), whose sum is σ = 123017832. Its totient is φ = 81545728.

The previous prime is 102223493. The next prime is 102223507. The reversal of 102223505 is 505322201.

It can be written as a sum of positive squares in 4 ways, for example, as 12334144 + 89889361 = 3512^2 + 9481^2 .

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 102223505 - 2²² = 98029201 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (102223507) 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, 27194 + ... + 30723.

It is an arithmetic number, because the mean of its divisors is an integer number (15377229).

Almost surely, 2^102223505 is an apocalyptic number.

It is an amenable number.

102223505 is a deficient number, since it is larger than the sum of its proper divisors (20794327).

102223505 is an equidigital number, since it uses as much as digits as its factorization.

102223505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58275.

The product of its (nonzero) digits is 600, while the sum is 20.

The square root of 102223505 is about 10110.5640297661. The cubic root of 102223505 is about 467.5738947317.

Adding to 102223505 its reverse (505322201), we get a palindrome (607545706).

It can be divided in two parts, 102223 and 505, that multiplied together give a palindrome (51622615).

The spelling of 102223505 in words is "one hundred two million, two hundred twenty-three thousand, five hundred five".