222011100320 has 48 divisors (see below), whose sum is σ = 526177065960. Its totient is φ = 88520699904.

The previous prime is 222011100293. The next prime is 222011100329. The reversal of 222011100320 is 23001110222.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 64741749136 + 157269351184 = 254444^2 + 396572^2 .

It is a junction number, because it is equal to n+sod(n) for n = 222011100295 and 222011100304.

It is not an unprimeable number, because it can be changed into a prime (222011100329) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2166485 + ... + 2266644.

Almost surely, 2^222011100320 is an apocalyptic number.

222011100320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

222011100320 is an abundant number, since it is smaller than the sum of its proper divisors (304165965640).

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

222011100320 is a wasteful number, since it uses less digits than its factorization.

222011100320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4433457 (or 4433449 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 14.

Adding to 222011100320 its reverse (23001110222), we get a palindrome (245012210542).

The spelling of 222011100320 in words is "two hundred twenty-two billion, eleven million, one hundred thousand, three hundred twenty".