222330040 has 32 divisors (see below), whose sum is σ = 513766080. Its totient is φ = 86527872.

The previous prime is 222330023. The next prime is 222330061. The reversal of 222330040 is 40033222.

It is a junction number, because it is equal to n+sod(n) for n = 222329996 and 222330023.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 73632 + ... + 76591.

It is an arithmetic number, because the mean of its divisors is an integer number (16055190).

Almost surely, 2^222330040 is an apocalyptic number.

222330040 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

222330040 is an abundant number, since it is smaller than the sum of its proper divisors (291436040).

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

222330040 is a wasteful number, since it uses less digits than its factorization.

222330040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 150271 (or 150267 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 16.

The square root of 222330040 is about 14910.7357296681. The cubic root of 222330040 is about 605.8048073912.

Adding to 222330040 its reverse (40033222), we get a palindrome (262363262).

The spelling of 222330040 in words is "two hundred twenty-two million, three hundred thirty thousand, forty".