22321032043400 has 24 divisors (see below), whose sum is σ = 51896399501370. Its totient is φ = 8928412817280.

The previous prime is 22321032043391. The next prime is 22321032043423. The reversal of 22321032043400 is 434023012322.

It can be written as a sum of positive squares in 3 ways, for example, as 20275153806436 + 2045878236964 = 4502794^2 + 1430342^2 .

It is a super-3 number, since 3×22321032043400³ (a number of 41 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 22321032043400.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 55802579909 + ... + 55802580308.

Almost surely, 2^{22321032043400} is an apocalyptic number.

22321032043400 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22321032043400 is an abundant number, since it is smaller than the sum of its proper divisors (29575367457970).

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

22321032043400 is a wasteful number, since it uses less digits than its factorization.

22321032043400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 111605160233 (or 111605160224 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 26.

Adding to 22321032043400 its reverse (434023012322), we get a palindrome (22755055055722).

The spelling of 22321032043400 in words is "twenty-two trillion, three hundred twenty-one billion, thirty-two million, forty-three thousand, four hundred".