222030432 has 144 divisors (see below), whose sum is σ = 702269568. Its totient is φ = 66078720.

The previous prime is 222030427. The next prime is 222030437. The reversal of 222030432 is 234030222.

It is an interprime number because it is at equal distance from previous prime (222030427) and next prime (222030437).

It is a tau number, because it is divible by the number of its divisors (144).

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222030437) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 115108 + ... + 117020.

It is an arithmetic number, because the mean of its divisors is an integer number (4876872).

Almost surely, 2^222030432 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 222030432, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (351134784).

222030432 is an abundant number, since it is smaller than the sum of its proper divisors (480239136).

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

222030432 is a wasteful number, since it uses less digits than its factorization.

222030432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1973 (or 1962 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 18.

The square root of 222030432 is about 14900.6856218095. The cubic root of 222030432 is about 605.5325611422.

Adding to 222030432 its reverse (234030222), we get a palindrome (456060654).

The spelling of 222030432 in words is "two hundred twenty-two million, thirty thousand, four hundred thirty-two".