222146919960 has 512 divisors, whose sum is σ = 841823539200. Its totient is φ = 45737902080.

The previous prime is 222146919959. The next prime is 222146920031. The reversal of 222146919960 is 69919641222.

It is a Harshad number since it is a multiple of its sum of digits (51).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 31026861 + ... + 31034019.

It is an arithmetic number, because the mean of its divisors is an integer number (1644186600).

Almost surely, 2^222146919960 is an apocalyptic number.

222146919960 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 222146919960, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (420911769600).

222146919960 is an abundant number, since it is smaller than the sum of its proper divisors (619676619240).

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

222146919960 is a wasteful number, since it uses less digits than its factorization.

222146919960 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7291 (or 7287 counting only the distinct ones).

The product of its (nonzero) digits is 839808, while the sum is 51.

The spelling of 222146919960 in words is "two hundred twenty-two billion, one hundred forty-six million, nine hundred nineteen thousand, nine hundred sixty".