222861808343040 has 768 divisors, whose sum is σ = 759082893004800. Its totient is φ = 55660939444224.

The previous prime is 222861808342997. The next prime is 222861808343077. The reversal of 222861808343040 is 40343808168222.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (768).

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, 32663313069 + ... + 32663319891.

It is an arithmetic number, because the mean of its divisors is an integer number (988389183600).

Almost surely, 2^{222861808343040} is an apocalyptic number.

222861808343040 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 222861808343040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (379541446502400).

222861808343040 is an abundant number, since it is smaller than the sum of its proper divisors (536221084661760).

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

222861808343040 is a wasteful number, since it uses less digits than its factorization.

222861808343040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7502 (or 7482 counting only the distinct ones).

The product of its (nonzero) digits is 3538944, while the sum is 51.

The spelling of 222861808343040 in words is "two hundred twenty-two trillion, eight hundred sixty-one billion, eight hundred eight million, three hundred forty-three thousand, forty".