222432342420 has 96 divisors (see below), whose sum is σ = 636556475520. Its totient is φ = 58020313600.

The previous prime is 222432342367. The next prime is 222432342421. The reversal of 222432342420 is 24243234222.

It is a super-2 number, since 2×222432342420² (a number of 23 digits) contains 22 as substring.

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 (222432342421) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 281866 + ... + 724094.

It is an arithmetic number, because the mean of its divisors is an integer number (6630796620).

Almost surely, 2^222432342420 is an apocalyptic number.

222432342420 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 222432342420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (318278237760).

222432342420 is an abundant number, since it is smaller than the sum of its proper divisors (414124133100).

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

222432342420 is a wasteful number, since it uses less digits than its factorization.

222432342420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 442425 (or 442423 counting only the distinct ones).

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

Adding to 222432342420 its reverse (24243234222), we get a palindrome (246675576642).

The spelling of 222432342420 in words is "two hundred twenty-two billion, four hundred thirty-two million, three hundred forty-two thousand, four hundred twenty".