222521870852 has 12 divisors (see below), whose sum is σ = 389489471196. Its totient is φ = 111239164800.

The previous prime is 222521870833. The next prime is 222521870881. The reversal of 222521870852 is 258078125222.

222521870852 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 98706558976 + 123815311876 = 314176^2 + 351874^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5419649 + ... + 5460552.

It is an arithmetic number, because the mean of its divisors is an integer number (32457455933).

Almost surely, 2^222521870852 is an apocalyptic number.

It is an amenable number.

222521870852 is a deficient number, since it is larger than the sum of its proper divisors (166967600344).

222521870852 is a wasteful number, since it uses less digits than its factorization.

222521870852 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10885318 (or 10885316 counting only the distinct ones).

The product of its (nonzero) digits is 358400, while the sum is 44.

The spelling of 222521870852 in words is "two hundred twenty-two billion, five hundred twenty-one million, eight hundred seventy thousand, eight hundred fifty-two".