222363642624 has 144 divisors (see below), whose sum is σ = 632831965920. Its totient is φ = 69070028800.

The previous prime is 222363642619. The next prime is 222363642653. The reversal of 222363642624 is 426246363222.

It is a super-2 number, since 2×222363642624² (a number of 23 digits) contains 22 as substring.

It is a nude number because it is divisible by every one of its digits.

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, 1234342 + ... + 1402970.

It is an arithmetic number, because the mean of its divisors is an integer number (4394666430).

Almost surely, 2^222363642624 is an apocalyptic number.

222363642624 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 222363642624, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (316415982960).

222363642624 is an abundant number, since it is smaller than the sum of its proper divisors (410468323296).

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

222363642624 is a wasteful number, since it uses less digits than its factorization.

222363642624 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 168766 (or 168752 counting only the distinct ones).

The product of its digits is 995328, while the sum is 42.

The spelling of 222363642624 in words is "two hundred twenty-two billion, three hundred sixty-three million, six hundred forty-two thousand, six hundred twenty-four".