223331040400 has 60 divisors (see below), whose sum is σ = 577826132212. Its totient is φ = 82460689920.

The previous prime is 223331040367. The next prime is 223331040403. The reversal of 223331040400 is 4040133322.

It is a happy number.

It can be written as a sum of positive squares in 6 ways, for example, as 37159501824 + 186171538576 = 192768^2 + 431476^2 .

It is a super-2 number, since 2×223331040400² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (223331040403) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 21468939 + ... + 21479338.

Almost surely, 2^223331040400 is an apocalyptic number.

223331040400 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

223331040400 is an abundant number, since it is smaller than the sum of its proper divisors (354495091812).

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

223331040400 is a wasteful number, since it uses less digits than its factorization.

223331040400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42948308 (or 42948297 counting only the distinct ones).

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

Adding to 223331040400 its reverse (4040133322), we get a palindrome (227371173722).

The spelling of 223331040400 in words is "two hundred twenty-three billion, three hundred thirty-one million, forty thousand, four hundred".