222106656204 has 120 divisors (see below), whose sum is σ = 586835737488. Its totient is φ = 73245513600.

The previous prime is 222106656199. The next prime is 222106656217. The reversal of 222106656204 is 402656601222.

222106656204 is a `hidden beast` number, since 2 + 2 + 21 + 0 + 6 + 6 + 5 + 620 + 4 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 72416679 + ... + 72419745.

Almost surely, 2^222106656204 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 222106656204, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (293417868744).

222106656204 is an abundant number, since it is smaller than the sum of its proper divisors (364729081284).

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

222106656204 is a wasteful number, since it uses less digits than its factorization.

222106656204 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5397 (or 5386 counting only the distinct ones).

The product of its (nonzero) digits is 69120, while the sum is 36.

The spelling of 222106656204 in words is "two hundred twenty-two billion, one hundred six million, six hundred fifty-six thousand, two hundred four".