22011303040 has 64 divisors (see below), whose sum is σ = 53103699000. Its totient is φ = 8723718144.

The previous prime is 22011303019. The next prime is 22011303049. The reversal of 22011303040 is 4030311022.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 12965010496 + 9046292544 = 113864^2 + 95112^2 .

It is a tau number, because it is divible by the number of its divisors (64).

It is a Harshad number since it is a multiple of its sum of digits (16).

It is not an unprimeable number, because it can be changed into a prime (22011303049) 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, 88005 + ... + 227524.

Almost surely, 2^22011303040 is an apocalyptic number.

22011303040 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22011303040 is an abundant number, since it is smaller than the sum of its proper divisors (31092395960).

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

22011303040 is a wasteful number, since it uses less digits than its factorization.

22011303040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 315657 (or 315645 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 16.

Adding to 22011303040 its reverse (4030311022), we get a palindrome (26041614062).

The spelling of 22011303040 in words is "twenty-two billion, eleven million, three hundred three thousand, forty".