222322040 has 64 divisors (see below), whose sum is σ = 538876800. Its totient is φ = 82276992.

The previous prime is 222322031. The next prime is 222322043. The reversal of 222322040 is 40223222.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222322043) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 29279 + ... + 36081.

It is an arithmetic number, because the mean of its divisors is an integer number (8419950).

Almost surely, 2^222322040 is an apocalyptic number.

222322040 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 222322040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (269438400).

222322040 is an abundant number, since it is smaller than the sum of its proper divisors (316554760).

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

222322040 is a wasteful number, since it uses less digits than its factorization.

222322040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6876 (or 6872 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 17.

The square root of 222322040 is about 14910.4674641676. The cubic root of 222322040 is about 605.7975411718.

Adding to 222322040 its reverse (40223222), we get a palindrome (262545262).

The spelling of 222322040 in words is "two hundred twenty-two million, three hundred twenty-two thousand, forty".