420222043 has 8 divisors (see below), whose sum is σ = 422240256. Its totient is φ = 418209000.

The previous prime is 420222007. The next prime is 420222053. The reversal of 420222043 is 340222024.

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 420222043 - 2⁹ = 420221531 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 420222043.

It is not an unprimeable number, because it can be changed into a prime (420222053) 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, 364518 + ... + 365668.

It is an arithmetic number, because the mean of its divisors is an integer number (52780032).

Almost surely, 2^420222043 is an apocalyptic number.

420222043 is a deficient number, since it is larger than the sum of its proper divisors (2018213).

420222043 is a wasteful number, since it uses less digits than its factorization.

420222043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2585.

The product of its (nonzero) digits is 768, while the sum is 19.

The square root of 420222043 is about 20499.3181106104. The cubic root of 420222043 is about 749.0191878284.

Subtracting from 420222043 its sum of digits (19), we obtain a palindrome (420222024).

Adding to 420222043 its reverse (340222024), we get a palindrome (760444067).

The spelling of 420222043 in words is "four hundred twenty million, two hundred twenty-two thousand, forty-three".