22321143400 has 48 divisors (see below), whose sum is σ = 53686212300. Its totient is φ = 8620577280.

The previous prime is 22321143389. The next prime is 22321143407. The reversal of 22321143400 is 434112322.

It can be written as a sum of positive squares in 6 ways, for example, as 12583006276 + 9738137124 = 112174^2 + 98682^2 .

It is a super-3 number, since 3×22321143400³ (a number of 32 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (22321143407) 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, 1918437 + ... + 1930036.

Almost surely, 2^22321143400 is an apocalyptic number.

22321143400 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22321143400 is an abundant number, since it is smaller than the sum of its proper divisors (31365068900).

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

22321143400 is a wasteful number, since it uses less digits than its factorization.

22321143400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3848518 (or 3848509 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 22.

Adding to 22321143400 its reverse (434112322), we get a palindrome (22755255722).

The spelling of 22321143400 in words is "twenty-two billion, three hundred twenty-one million, one hundred forty-three thousand, four hundred".