22422403230440 has 64 divisors (see below), whose sum is σ = 52082398420560. Its totient is φ = 8681341501440.

The previous prime is 22422403230433. The next prime is 22422403230457. The reversal of 22422403230440 is 4403230422422.

It can be written as a sum of positive squares in 8 ways, for example, as 4857536656324 + 17564866574116 = 2203982^2 + 4191046^2 .

It is a super-2 number, since 2×22422403230440² (a number of 28 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 22422403230397 and 22422403230406.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 38963771 + ... + 39535050.

Almost surely, 2^{22422403230440} is an apocalyptic number.

22422403230440 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22422403230440 is an abundant number, since it is smaller than the sum of its proper divisors (29659995190120).

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

22422403230440 is a wasteful number, since it uses less digits than its factorization.

22422403230440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78499062 (or 78499058 counting only the distinct ones).

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

Adding to 22422403230440 its reverse (4403230422422), we get a palindrome (26825633652862).

The spelling of 22422403230440 in words is "twenty-two trillion, four hundred twenty-two billion, four hundred three million, two hundred thirty thousand, four hundred forty".