222011313444 has 144 divisors (see below), whose sum is σ = 579256204800. Its totient is φ = 71651796480.

The previous prime is 222011313427. The next prime is 222011313451. The reversal of 222011313444 is 444313110222.

222011313444 is a `hidden beast` number, since 2 + 2 + 201 + 1 + 3 + 13 + 444 = 666.

It is a super-2 number, since 2×222011313444² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 130670907 + ... + 130672605.

Almost surely, 2^222011313444 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 222011313444, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (289628102400).

222011313444 is an abundant number, since it is smaller than the sum of its proper divisors (357244891356).

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

222011313444 is a wasteful number, since it uses less digits than its factorization.

222011313444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2370 (or 2365 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 27.

Adding to 222011313444 its reverse (444313110222), we get a palindrome (666324423666).

The spelling of 222011313444 in words is "two hundred twenty-two billion, eleven million, three hundred thirteen thousand, four hundred forty-four".