222013021340 has 192 divisors, whose sum is σ = 549575470080. Its totient is φ = 74462976000.

The previous prime is 222013021331. The next prime is 222013021361. The reversal of 222013021340 is 43120310222.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 108139754 + ... + 108141806.

It is an arithmetic number, because the mean of its divisors is an integer number (2862372240).

Almost surely, 2^222013021340 is an apocalyptic number.

222013021340 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 222013021340, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (274787735040).

222013021340 is an abundant number, since it is smaller than the sum of its proper divisors (327562448740).

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

222013021340 is a wasteful number, since it uses less digits than its factorization.

222013021340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2764 (or 2762 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 20.

Adding to 222013021340 its reverse (43120310222), we get a palindrome (265133331562).

The spelling of 222013021340 in words is "two hundred twenty-two billion, thirteen million, twenty-one thousand, three hundred forty".