222645850560 has 336 divisors, whose sum is σ = 877424663232. Its totient is φ = 50761728000.

The previous prime is 222645850549. The next prime is 222645850561. The reversal of 222645850560 is 65058546222.

It is a happy number.

222645850560 is a `hidden beast` number, since 2 + 2 + 2 + 6 + 4 + 5 + 85 + 0 + 560 = 666.

It is a tau number, because it is divible by the number of its divisors (336).

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222645850561) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 8070390 + ... + 8097930.

Almost surely, 2^222645850560 is an apocalyptic number.

222645850560 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 222645850560, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (438712331616).

222645850560 is an abundant number, since it is smaller than the sum of its proper divisors (654778812672).

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

222645850560 is a wasteful number, since it uses less digits than its factorization.

222645850560 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27972 (or 27959 counting only the distinct ones).

The product of its (nonzero) digits is 1152000, while the sum is 45.

The spelling of 222645850560 in words is "two hundred twenty-two billion, six hundred forty-five million, eight hundred fifty thousand, five hundred sixty".