420919226 has 32 divisors (see below), whose sum is σ = 780192000. Its totient is φ = 165851136.

The previous prime is 420919223. The next prime is 420919231. The reversal of 420919226 is 622919024.

It is not an unprimeable number, because it can be changed into a prime (420919223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 42275 + ... + 51273.

It is an arithmetic number, because the mean of its divisors is an integer number (24381000).

Almost surely, 2^420919226 is an apocalyptic number.

420919226 is a deficient number, since it is larger than the sum of its proper divisors (359272774).

420919226 is a wasteful number, since it uses less digits than its factorization.

420919226 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9278.

The product of its (nonzero) digits is 15552, while the sum is 35.

The square root of 420919226 is about 20516.3160923203. The cubic root of 420919226 is about 749.4331871462.

The spelling of 420919226 in words is "four hundred twenty million, nine hundred nineteen thousand, two hundred twenty-six".