222305850 has 192 divisors, whose sum is σ = 674956800. Its totient is φ = 53464320.

The previous prime is 222305819. The next prime is 222305869. The reversal of 222305850 is 58503222.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 930031 + ... + 930269.

It is an arithmetic number, because the mean of its divisors is an integer number (3515400).

Almost surely, 2^222305850 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 222305850, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (337478400).

222305850 is an abundant number, since it is smaller than the sum of its proper divisors (452650950).

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

222305850 is a wasteful number, since it uses less digits than its factorization.

222305850 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 326 (or 315 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 27.

The square root of 222305850 is about 14909.9245470928. The cubic root of 222305850 is about 605.7828356268.

The spelling of 222305850 in words is "two hundred twenty-two million, three hundred five thousand, eight hundred fifty".