2222204422440 has 32 divisors (see below), whose sum is σ = 6666613267680. Its totient is φ = 592587845952.

The previous prime is 2222204422391. The next prime is 2222204422441. The reversal of 2222204422440 is 442244022222.

It is a super-2 number, since 2×2222204422440² (a number of 25 digits) contains 22 as substring.

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 = 2222204422398 and 2222204422407.

It is not an unprimeable number, because it can be changed into a prime (2222204422441) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9259184974 + ... + 9259185213.

It is an arithmetic number, because the mean of its divisors is an integer number (208331664615).

Almost surely, 2^{2222204422440} is an apocalyptic number.

2222204422440 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2222204422440 is an abundant number, since it is smaller than the sum of its proper divisors (4444408845240).

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

2222204422440 is a wasteful number, since it uses less digits than its factorization.

2222204422440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18518370201 (or 18518370197 counting only the distinct ones).

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

Adding to 2222204422440 its reverse (442244022222), we get a palindrome (2664448444662).

The spelling of 2222204422440 in words is "two trillion, two hundred twenty-two billion, two hundred four million, four hundred twenty-two thousand, four hundred forty".