222001041440 has 48 divisors (see below), whose sum is σ = 524509097112. Its totient is φ = 88795060224.

The previous prime is 222001041371. The next prime is 222001041443. The reversal of 222001041440 is 44140100222.

It can be written as a sum of positive squares in 4 ways, for example, as 176302573456 + 45698467984 = 419884^2 + 213772^2 .

It is a Harshad number since it is a multiple of its sum of digits (20).

It is not an unprimeable number, because it can be changed into a prime (222001041443) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3613862 + ... + 3674778.

Almost surely, 2^222001041440 is an apocalyptic number.

222001041440 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

222001041440 is an abundant number, since it is smaller than the sum of its proper divisors (302508055672).

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

222001041440 is a wasteful number, since it uses less digits than its factorization.

222001041440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 83709 (or 83701 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 20.

Adding to 222001041440 its reverse (44140100222), we get a palindrome (266141141662).

The spelling of 222001041440 in words is "two hundred twenty-two billion, one million, forty-one thousand, four hundred forty".