222192866815920 has 1920 divisors, whose sum is σ = 1011131183462400. Its totient is φ = 42226281676800.

The previous prime is 222192866815889. The next prime is 222192866815949. The reversal of 222192866815920 is 29518668291222.

It is a happy number.

222192866815920 is a `hidden beast` number, since 2 + 2 + 2 + 19 + 28 + 6 + 6 + 8 + 1 + 592 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is an unprimeable number.

It is a polite number, since it can be written in 383 ways as a sum of consecutive naturals, for example, 76381183426 + ... + 76381186334.

It is an arithmetic number, because the mean of its divisors is an integer number (526630824720).

Almost surely, 2^{222192866815920} is an apocalyptic number.

222192866815920 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 222192866815920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (505565591731200).

222192866815920 is an abundant number, since it is smaller than the sum of its proper divisors (788938316646480).

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

222192866815920 is a wasteful number, since it uses less digits than its factorization.

222192866815920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3899 (or 3890 counting only the distinct ones).

The product of its (nonzero) digits is 29859840, while the sum is 63.

The spelling of 222192866815920 in words is "two hundred twenty-two trillion, one hundred ninety-two billion, eight hundred sixty-six million, eight hundred fifteen thousand, nine hundred twenty".