222020608 has 44 divisors (see below), whose sum is σ = 446974732. Its totient is φ = 110223360.

The previous prime is 222020563. The next prime is 222020671. The reversal of 222020608 is 806020222.

It can be written as a sum of positive squares in 2 ways, for example, as 82591744 + 139428864 = 9088^2 + 11808^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 160078 + ... + 161458.

Almost surely, 2^222020608 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 222020608, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (223487366).

222020608 is an abundant number, since it is smaller than the sum of its proper divisors (224954124).

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

222020608 is a wasteful number, since it uses less digits than its factorization.

222020608 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1558 (or 1540 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 22.

The square root of 222020608 is about 14900.3559689022. The cubic root of 222020608 is about 605.5236301748.

The spelling of 222020608 in words is "two hundred twenty-two million, twenty thousand, six hundred eight".