22202232443240 has 32 divisors (see below), whose sum is σ = 49995019125000. Its totient is φ = 8873782554624.

The previous prime is 22202232443201. The next prime is 22202232443291. The reversal of 22202232443240 is 4234423220222.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 15572194530244 + 6630037912996 = 3946162^2 + 2574886^2 .

It is a junction number, because it is equal to n+sod(n) for n = 22202232443197 and 22202232443206.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 222150125 + ... + 222250044.

Almost surely, 2^{22202232443240} is an apocalyptic number.

22202232443240 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22202232443240 is an abundant number, since it is smaller than the sum of its proper divisors (27792786681760).

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

22202232443240 is a wasteful number, since it uses less digits than its factorization.

22202232443240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 444401429 (or 444401425 counting only the distinct ones).

The product of its (nonzero) digits is 73728, while the sum is 32.

Adding to 22202232443240 its reverse (4234423220222), we get a palindrome (26436655663462).

The spelling of 22202232443240 in words is "twenty-two trillion, two hundred two billion, two hundred thirty-two million, four hundred forty-three thousand, two hundred forty".