222040042144 has 48 divisors (see below), whose sum is σ = 447894294120. Its totient is φ = 108290211840.

The previous prime is 222040042117. The next prime is 222040042153. The reversal of 222040042144 is 441240040222.

It can be written as a sum of positive squares in 4 ways, for example, as 45118857744 + 176921184400 = 212412^2 + 420620^2 .

It is a super-2 number, since 2×222040042144² (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 7 ways as a sum of consecutive naturals, for example, 7796122 + ... + 7824550.

Almost surely, 2^222040042144 is an apocalyptic number.

It is an amenable number.

222040042144 is an abundant number, since it is smaller than the sum of its proper divisors (225854251976).

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

222040042144 is a wasteful number, since it uses less digits than its factorization.

222040042144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34433 (or 34425 counting only the distinct ones).

The product of its (nonzero) digits is 4096, while the sum is 25.

Adding to 222040042144 its reverse (441240040222), we get a palindrome (663280082366).

The spelling of 222040042144 in words is "two hundred twenty-two billion, forty million, forty-two thousand, one hundred forty-four".