2222422204440 has 64 divisors (see below), whose sum is σ = 6672818475360. Its totient is φ = 592152422400.

The previous prime is 2222422204423. The next prime is 2222422204477. The reversal of 2222422204440 is 444022242222.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 2222422204398 and 2222422204407.

It is a congruent 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, 7566199 + ... + 7854438.

Almost surely, 2^{2222422204440} is an apocalyptic number.

2222422204440 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2222422204440 is an abundant number, since it is smaller than the sum of its proper divisors (4450396270920).

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

2222422204440 is a wasteful number, since it uses less digits than its factorization.

2222422204440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15421852 (or 15421848 counting only the distinct ones).

The product of its (nonzero) digits is 32768, while the sum is 30.

Adding to 2222422204440 its reverse (444022242222), we get a palindrome (2666444446662).

The spelling of 2222422204440 in words is "two trillion, two hundred twenty-two billion, four hundred twenty-two million, two hundred four thousand, four hundred forty".