102220223 has 6 divisors (see below), whose sum is σ = 118909296. Its totient is φ = 87617292.

The previous prime is 102220207. The next prime is 102220231. The reversal of 102220223 is 322022201.

It is not a de Polignac number, because 102220223 - 2⁴ = 102220207 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 102220198 and 102220207.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102220123) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1043015 + ... + 1043112.

It is an arithmetic number, because the mean of its divisors is an integer number (19818216).

Almost surely, 2^102220223 is an apocalyptic number.

102220223 is a deficient number, since it is larger than the sum of its proper divisors (16689073).

102220223 is an equidigital number, since it uses as much as digits as its factorization.

102220223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2086141 (or 2086134 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 14.

The square root of 102220223 is about 10110.4017229782. The cubic root of 102220223 is about 467.5688906838.

Adding to 102220223 its reverse (322022201), we get a palindrome (424242424).

The spelling of 102220223 in words is "one hundred two million, two hundred twenty thousand, two hundred twenty-three".