420888226 has 8 divisors (see below), whose sum is σ = 688726224. Its totient is φ = 191312820.

The previous prime is 420888163. The next prime is 420888233. The reversal of 420888226 is 622888024.

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9565620 + ... + 9565663.

It is an arithmetic number, because the mean of its divisors is an integer number (86090778).

Almost surely, 2^420888226 is an apocalyptic number.

420888226 is a deficient number, since it is larger than the sum of its proper divisors (267837998).

420888226 is a wasteful number, since it uses less digits than its factorization.

420888226 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19131296.

The product of its (nonzero) digits is 98304, while the sum is 40.

The square root of 420888226 is about 20515.5605821532. The cubic root of 420888226 is about 749.4147885258.

The spelling of 420888226 in words is "four hundred twenty million, eight hundred eighty-eight thousand, two hundred twenty-six".