222354998460 has 288 divisors, whose sum is σ = 798308784000. Its totient is φ = 49016217600.

The previous prime is 222354998423. The next prime is 222354998491. The reversal of 222354998460 is 64899453222.

222354998460 is a `hidden beast` number, since 2 + 2 + 2 + 3 + 549 + 98 + 4 + 6 + 0 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 222354998397 and 222354998406.

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 95 ways as a sum of consecutive naturals, for example, 38327560 + ... + 38333360.

It is an arithmetic number, because the mean of its divisors is an integer number (2771905500).

Almost surely, 2^222354998460 is an apocalyptic number.

222354998460 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 222354998460, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (399154392000).

222354998460 is an abundant number, since it is smaller than the sum of its proper divisors (575953785540).

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

222354998460 is a wasteful number, since it uses less digits than its factorization.

222354998460 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6901 (or 6896 counting only the distinct ones).

The product of its (nonzero) digits is 7464960, while the sum is 54.

The spelling of 222354998460 in words is "two hundred twenty-two billion, three hundred fifty-four million, nine hundred ninety-eight thousand, four hundred sixty".