420266422 has 8 divisors (see below), whose sum is σ = 632453976. Its totient is φ = 209448432.

The previous prime is 420266389. The next prime is 420266437. The reversal of 420266422 is 224662024.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 341623 + ... + 342850.

It is an arithmetic number, because the mean of its divisors is an integer number (79056747).

Almost surely, 2^420266422 is an apocalyptic number.

420266422 is a deficient number, since it is larger than the sum of its proper divisors (212187554).

420266422 is a wasteful number, since it uses less digits than its factorization.

420266422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 684782.

The product of its (nonzero) digits is 9216, while the sum is 28.

The square root of 420266422 is about 20500.4005326725. The cubic root of 420266422 is about 749.0455544862.

The spelling of 420266422 in words is "four hundred twenty million, two hundred sixty-six thousand, four hundred twenty-two".