222030000 has 150 divisors (see below), whose sum is σ = 776785724. Its totient is φ = 59184000.

The previous prime is 222029999. The next prime is 222030001. The reversal of 222030000 is 30222.

It is an interprime number because it is at equal distance from previous prime (222029999) and next prime (222030001).

It is a tau number, because it is divible by the number of its divisors (150).

It is a Harshad number since it is a multiple of its sum of digits (9).

It is not an unprimeable number, because it can be changed into a prime (222030001) by changing a digit.

It is a polite number, since it can be written in 29 ways as a sum of consecutive naturals, for example, 88767 + ... + 91233.

Almost surely, 2^222030000 is an apocalyptic number.

222030000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 222030000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (388392862).

222030000 is an abundant number, since it is smaller than the sum of its proper divisors (554755724).

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

222030000 is a wasteful number, since it uses less digits than its factorization.

222030000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2501 (or 2477 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 9.

The square root of 222030000 is about 14900.6711258252. The cubic root of 222030000 is about 605.5321684179.

Adding to 222030000 its reverse (30222), we get a palindrome (222060222).

The spelling of 222030000 in words is "two hundred twenty-two million, thirty thousand".