22420224330 has 128 divisors (see below), whose sum is σ = 61939261440. Its totient is φ = 5087792640.

The previous prime is 22420224317. The next prime is 22420224347. The reversal of 22420224330 is 3342202422.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 22420224330.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 29461150 + ... + 29461910.

It is an arithmetic number, because the mean of its divisors is an integer number (483900480).

Almost surely, 2^22420224330 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22420224330, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (30969630720).

22420224330 is an abundant number, since it is smaller than the sum of its proper divisors (39519037110).

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

22420224330 is a wasteful number, since it uses less digits than its factorization.

22420224330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1604.

The product of its (nonzero) digits is 4608, while the sum is 24.

Adding to 22420224330 its reverse (3342202422), we get a palindrome (25762426752).

The spelling of 22420224330 in words is "twenty-two billion, four hundred twenty million, two hundred twenty-four thousand, three hundred thirty".