22300422440 has 32 divisors (see below), whose sum is σ = 51532060680. Its totient is φ = 8679082752.

The previous prime is 22300422437. The next prime is 22300422449. The reversal of 22300422440 is 4422400322.

It can be written as a sum of positive squares in 4 ways, for example, as 20743488676 + 1556933764 = 144026^2 + 39458^2 .

It is not an unprimeable number, because it can be changed into a prime (22300422449) 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, 7532447 + ... + 7535406.

Almost surely, 2^22300422440 is an apocalyptic number.

22300422440 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22300422440 is an abundant number, since it is smaller than the sum of its proper divisors (29231638240).

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

22300422440 is a wasteful number, since it uses less digits than its factorization.

22300422440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15067901 (or 15067897 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 23.

Adding to 22300422440 its reverse (4422400322), we get a palindrome (26722822762).

The spelling of 22300422440 in words is "twenty-two billion, three hundred million, four hundred twenty-two thousand, four hundred forty".