4243222421204 has 24 divisors (see below), whose sum is σ = 7997677328928. Its totient is φ = 1958205840480.

The previous prime is 4243222421203. The next prime is 4243222421233. The reversal of 4243222421204 is 4021242223424.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4243222421203) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3757262 + ... + 4754309.

It is an arithmetic number, because the mean of its divisors is an integer number (333236555372).

Almost surely, 2^{4243222421204} is an apocalyptic number.

It is an amenable number.

4243222421204 is a deficient number, since it is larger than the sum of its proper divisors (3754454907724).

4243222421204 is a wasteful number, since it uses less digits than its factorization.

4243222421204 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8521175 (or 8521173 counting only the distinct ones).

The product of its (nonzero) digits is 49152, while the sum is 32.

Adding to 4243222421204 its reverse (4021242223424), we get a palindrome (8264464644628).

The spelling of 4243222421204 in words is "four trillion, two hundred forty-three billion, two hundred twenty-two million, four hundred twenty-one thousand, two hundred four".