222302421440 has 112 divisors (see below), whose sum is σ = 581358146400. Its totient is φ = 80294522880.

The previous prime is 222302421401. The next prime is 222302421457. The reversal of 222302421440 is 44124203222.

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, 312554 + ... + 736406.

Almost surely, 2^222302421440 is an apocalyptic number.

222302421440 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 222302421440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (290679073200).

222302421440 is an abundant number, since it is smaller than the sum of its proper divisors (359055724960).

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

222302421440 is a wasteful number, since it uses less digits than its factorization.

222302421440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 424030 (or 424020 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 26.

Adding to 222302421440 its reverse (44124203222), we get a palindrome (266426624662).

The spelling of 222302421440 in words is "two hundred twenty-two billion, three hundred two million, four hundred twenty-one thousand, four hundred forty".