4243222111420 has 48 divisors (see below), whose sum is σ = 9122002092000. Its totient is φ = 1657453835520.

The previous prime is 4243222111417. The next prime is 4243222111421. The reversal of 4243222111420 is 241112223424.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4243222111421) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12341395 + ... + 12680554.

It is an arithmetic number, because the mean of its divisors is an integer number (190041710250).

Almost surely, 2^{4243222111420} is an apocalyptic number.

It is an amenable number.

4243222111420 is an abundant number, since it is smaller than the sum of its proper divisors (4878779980580).

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

4243222111420 is a wasteful number, since it uses less digits than its factorization.

4243222111420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25022158 (or 25022156 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 28.

Adding to 4243222111420 its reverse (241112223424), we get a palindrome (4484334334844).

The spelling of 4243222111420 in words is "four trillion, two hundred forty-three billion, two hundred twenty-two million, one hundred eleven thousand, four hundred twenty".