420130222243 has 4 divisors (see below), whose sum is σ = 420188234488. Its totient is φ = 420072210000.

The previous prime is 420130222219. The next prime is 420130222249. The reversal of 420130222243 is 342222031024.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-420130222243 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (420130222249) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 28995258 + ... + 29009743.

It is an arithmetic number, because the mean of its divisors is an integer number (105047058622).

Almost surely, 2^420130222243 is an apocalyptic number.

420130222243 is a deficient number, since it is larger than the sum of its proper divisors (58012245).

420130222243 is an equidigital number, since it uses as much as digits as its factorization.

420130222243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58012244.

The product of its (nonzero) digits is 4608, while the sum is 25.

Adding to 420130222243 its reverse (342222031024), we get a palindrome (762352253267).

The spelling of 420130222243 in words is "four hundred twenty billion, one hundred thirty million, two hundred twenty-two thousand, two hundred forty-three".