222421123024 has 80 divisors (see below), whose sum is σ = 480646111680. Its totient is φ = 99089602560.

The previous prime is 222421122991. The next prime is 222421123049. The reversal of 222421123024 is 420321124222.

It is a self number, because there is not a number n which added to its sum of digits gives 222421123024.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7649634 + ... + 7678654.

It is an arithmetic number, because the mean of its divisors is an integer number (6008076396).

Almost surely, 2^222421123024 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 222421123024, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (240323055840).

222421123024 is an abundant number, since it is smaller than the sum of its proper divisors (258224988656).

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

222421123024 is a wasteful number, since it uses less digits than its factorization.

222421123024 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30548 (or 30542 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 25.

Adding to 222421123024 its reverse (420321124222), we get a palindrome (642742247246).

The spelling of 222421123024 in words is "two hundred twenty-two billion, four hundred twenty-one million, one hundred twenty-three thousand, twenty-four".