22133043400 has 48 divisors (see below), whose sum is σ = 55417742100. Its totient is φ = 8172199680.

The previous prime is 22133043389. The next prime is 22133043403. The reversal of 22133043400 is 434033122.

It is a happy number.

It can be written as a sum of positive squares in 6 ways, for example, as 1685759364 + 20447284036 = 41058^2 + 142994^2 .

It is a super-2 number, since 2×22133043400² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (22133043403) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4253755 + ... + 4258954.

Almost surely, 2^22133043400 is an apocalyptic number.

22133043400 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22133043400 is an abundant number, since it is smaller than the sum of its proper divisors (33284698700).

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

22133043400 is a wasteful number, since it uses less digits than its factorization.

22133043400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8512738 (or 8512729 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 22.

Adding to 22133043400 its reverse (434033122), we get a palindrome (22567076522).

The spelling of 22133043400 in words is "twenty-two billion, one hundred thirty-three million, forty-three thousand, four hundred".