8221230 has 32 divisors (see below), whose sum is σ = 21924000. Its totient is φ = 2192256.

The previous prime is 8221229. The next prime is 8221249. The reversal of 8221230 is 321228.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14955 + ... + 15494.

It is an arithmetic number, because the mean of its divisors is an integer number (685125).

Almost surely, 2^8221230 is an apocalyptic number.

8221230 is an abundant number, since it is smaller than the sum of its proper divisors (13702770).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

8221230 is a wasteful number, since it uses less digits than its factorization.

8221230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30465 (or 30459 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

The square root of 8221230 is about 2867.2687352252. The cubic root of 8221230 is about 201.8268457002.

Adding to 8221230 its reverse (321228), we get a palindrome (8542458).

It can be divided in two parts, 82 and 21230, that added together give a palindrome (21312).

The spelling of 8221230 in words is "eight million, two hundred twenty-one thousand, two hundred thirty".