221434000043 has 8 divisors (see below), whose sum is σ = 224597979360. Its totient is φ = 218271276160.

The previous prime is 221434000003. The next prime is 221434000061. The reversal of 221434000043 is 340000434122.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 221434000043 - 2⁶ = 221433999979 is a prime.

It is a super-3 number, since 3×221434000043³ (a number of 35 digits) contains 333 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 221433999982 and 221434000018.

It is not an unprimeable number, because it can be changed into a prime (221434000003) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 44321 + ... + 666957.

It is an arithmetic number, because the mean of its divisors is an integer number (28074747420).

Almost surely, 2^221434000043 is an apocalyptic number.

221434000043 is a deficient number, since it is larger than the sum of its proper divisors (3163979317).

221434000043 is an equidigital number, since it uses as much as digits as its factorization.

221434000043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 627717.

The product of its (nonzero) digits is 2304, while the sum is 23.

Adding to 221434000043 its reverse (340000434122), we get a palindrome (561434434165).

The spelling of 221434000043 in words is "two hundred twenty-one billion, four hundred thirty-four million, forty-three", and thus it is an aban number.