222000000024 has 96 divisors (see below), whose sum is σ = 611013150720. Its totient is φ = 67165560000.

The previous prime is 222000000017. The next prime is 222000000067. The reversal of 222000000024 is 420000000222.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a junction number, because it is equal to n+sod(n) for n = 221999999946 and 222000000009.

It is a congruent number.

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 23 ways as a sum of consecutive naturals, for example, 1771849 + ... + 1892999.

It is an arithmetic number, because the mean of its divisors is an integer number (6364720320).

Almost surely, 2^222000000024 is an apocalyptic number.

222000000024 is a gapful number since it is divisible by the number (24) 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 222000000024, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (305506575360).

222000000024 is an abundant number, since it is smaller than the sum of its proper divisors (389013150696).

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

222000000024 is a wasteful number, since it uses less digits than its factorization.

222000000024 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 121813 (or 121798 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 12.

Adding to 222000000024 its reverse (420000000222), we get a palindrome (642000000246).

The spelling of 222000000024 in words is "two hundred twenty-two billion, twenty-four", and thus it is an aban number.