222040202440 has 64 divisors (see below), whose sum is σ = 571180579200. Its totient is φ = 76098728448.

The previous prime is 222040202431. The next prime is 222040202537. The reversal of 222040202440 is 44202040222.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 581251 + ... + 884269.

It is an arithmetic number, because the mean of its divisors is an integer number (8924696550).

Almost surely, 2^222040202440 is an apocalyptic number.

222040202440 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

222040202440 is an abundant number, since it is smaller than the sum of its proper divisors (349140376760).

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

222040202440 is a wasteful number, since it uses less digits than its factorization.

222040202440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 305654 (or 305650 counting only the distinct ones).

The product of its (nonzero) digits is 2048, while the sum is 22.

Adding to 222040202440 its reverse (44202040222), we get a palindrome (266242242662).

The spelling of 222040202440 in words is "two hundred twenty-two billion, forty million, two hundred two thousand, four hundred forty".