420222374663 has 48 divisors (see below), whose sum is σ = 537173784576. Its totient is φ = 321542732160.

The previous prime is 420222374639. The next prime is 420222374669. The reversal of 420222374663 is 366473222024.

It is not a de Polignac number, because 420222374663 - 2⁶ = 420222374599 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 420222374663.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (420222374669) 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 47 ways as a sum of consecutive naturals, for example, 74333345 + ... + 74338997.

It is an arithmetic number, because the mean of its divisors is an integer number (11191120512).

Almost surely, 2^420222374663 is an apocalyptic number.

420222374663 is a deficient number, since it is larger than the sum of its proper divisors (116951409913).

420222374663 is a wasteful number, since it uses less digits than its factorization.

420222374663 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7744 (or 7731 counting only the distinct ones).

The product of its (nonzero) digits is 580608, while the sum is 41.

Adding to 420222374663 its reverse (366473222024), we get a palindrome (786695596687).

The spelling of 420222374663 in words is "four hundred twenty billion, two hundred twenty-two million, three hundred seventy-four thousand, six hundred sixty-three".