222220230 has 64 divisors (see below), whose sum is σ = 548425728. Its totient is φ = 57599360.

The previous prime is 222220223. The next prime is 222220241. The reversal of 222220230 is 32022222.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 243475 + ... + 244385.

It is an arithmetic number, because the mean of its divisors is an integer number (8569152).

Almost surely, 2^222220230 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 222220230, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (274212864).

222220230 is an abundant number, since it is smaller than the sum of its proper divisors (326205498).

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

222220230 is a wasteful number, since it uses less digits than its factorization.

222220230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1141.

The product of its (nonzero) digits is 192, while the sum is 15.

The square root of 222220230 is about 14907.0530286841. The cubic root of 222220230 is about 605.7050542180.

Adding to 222220230 its reverse (32022222), we get a palindrome (254242452).

The spelling of 222220230 in words is "two hundred twenty-two million, two hundred twenty thousand, two hundred thirty".