222033209616 has 105 divisors (see below), whose sum is σ = 645136826439. Its totient is φ = 73994106528.

The previous prime is 222033209611. The next prime is 222033209681. The reversal of 222033209616 is 616902330222.

It is a happy number.

The square root of 222033209616 is 471204.

It is a perfect power (a square), and thus also a powerful number.

222033209616 is a `hidden beast` number, since 2 + 2 + 2 + 0 + 3 + 32 + 0 + 9 + 616 = 666.

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

It is not an unprimeable number, because it can be changed into a prime (222033209611) by changing a digit.

It is a polite number, since it can be written in 20 ways as a sum of consecutive naturals, for example, 50887851 + ... + 50892213.

Almost surely, 2^222033209616 is an apocalyptic number.

222033209616 is the 471204-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 222033209616

222033209616 is an abundant number, since it is smaller than the sum of its proper divisors (423103616823).

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

222033209616 is an frugal number, since it uses more digits than its factorization.

222033209616 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8752 (or 4368 counting only the distinct ones).

The product of its (nonzero) digits is 46656, while the sum is 36.

Multiplying 222033209616 by its sum of digits (36), we get a square (7993195546176 = 2827224²).

222033209616 divided by its sum of digits (36) gives a square (6167589156 = 78534²).

Adding to 222033209616 its reverse (616902330222), we get a palindrome (838935539838).

It can be divided in two parts, 222033 and 209616, that added together give a square (431649 = 657²).

The spelling of 222033209616 in words is "two hundred twenty-two billion, thirty-three million, two hundred nine thousand, six hundred sixteen".