420422266 has 16 divisors (see below), whose sum is σ = 703964448. Its totient is φ = 186656400.

The previous prime is 420422243. The next prime is 420422269. The reversal of 420422266 is 662224024.

It is not an unprimeable number, because it can be changed into a prime (420422269) 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, 221265 + ... + 223156.

It is an arithmetic number, because the mean of its divisors is an integer number (43997778).

Almost surely, 2^420422266 is an apocalyptic number.

420422266 is a deficient number, since it is larger than the sum of its proper divisors (283542182).

420422266 is a wasteful number, since it uses less digits than its factorization.

420422266 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 444477.

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

The square root of 420422266 is about 20504.2011792706. The cubic root of 420422266 is about 749.1381305467.

The spelling of 420422266 in words is "four hundred twenty million, four hundred twenty-two thousand, two hundred sixty-six".