222011223200 has 72 divisors (see below), whose sum is σ = 583676072028. Its totient is φ = 81973370880.

The previous prime is 222011223197. The next prime is 222011223221. The reversal of 222011223200 is 2322110222.

It can be written as a sum of positive squares in 6 ways, for example, as 107120053264 + 114891169936 = 327292^2 + 338956^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 10663217 + ... + 10684016.

Almost surely, 2^222011223200 is an apocalyptic number.

222011223200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

222011223200 is an abundant number, since it is smaller than the sum of its proper divisors (361664848828).

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

222011223200 is a wasteful number, since it uses less digits than its factorization.

222011223200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21347266 (or 21347253 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 17.

Adding to 222011223200 its reverse (2322110222), we get a palindrome (224333333422).

The spelling of 222011223200 in words is "two hundred twenty-two billion, eleven million, two hundred twenty-three thousand, two hundred".