222344430420 has 48 divisors (see below), whose sum is σ = 711502178688. Its totient is φ = 50821584000.

The previous prime is 222344430383. The next prime is 222344430421. The reversal of 222344430420 is 24034443222.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222344430421) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 264695331 + ... + 264696170.

It is an arithmetic number, because the mean of its divisors is an integer number (14822962056).

Almost surely, 2^222344430420 is an apocalyptic number.

222344430420 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

222344430420 is an abundant number, since it is smaller than the sum of its proper divisors (489157748268).

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

222344430420 is a wasteful number, since it uses less digits than its factorization.

222344430420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 529391520 (or 529391518 counting only the distinct ones).

The product of its (nonzero) digits is 36864, while the sum is 30.

Adding to 222344430420 its reverse (24034443222), we get a palindrome (246378873642).

The spelling of 222344430420 in words is "two hundred twenty-two billion, three hundred forty-four million, four hundred thirty thousand, four hundred twenty".