420165226 has 16 divisors (see below), whose sum is σ = 679140000. Its totient is φ = 193804848.

The previous prime is 420165199. The next prime is 420165269. The reversal of 420165226 is 622561024.

It is a junction number, because it is equal to n+sod(n) for n = 420165194 and 420165203.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 50725 + ... + 58423.

It is an arithmetic number, because the mean of its divisors is an integer number (42446250).

Almost surely, 2^420165226 is an apocalyptic number.

420165226 is a deficient number, since it is larger than the sum of its proper divisors (258974774).

420165226 is a wasteful number, since it uses less digits than its factorization.

420165226 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9813.

The product of its (nonzero) digits is 5760, while the sum is 28.

The square root of 420165226 is about 20497.9322371794. The cubic root of 420165226 is about 748.9854287383.

The spelling of 420165226 in words is "four hundred twenty million, one hundred sixty-five thousand, two hundred twenty-six".