422222006 has 4 divisors (see below), whose sum is σ = 633333012. Its totient is φ = 211111002.

The previous prime is 422221993. The next prime is 422222051. The reversal of 422222006 is 600222224.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 105555500 + ... + 105555503.

It is an arithmetic number, because the mean of its divisors is an integer number (158333253).

Almost surely, 2^422222006 is an apocalyptic number.

422222006 is a deficient number, since it is larger than the sum of its proper divisors (211111006).

422222006 is a wasteful number, since it uses less digits than its factorization.

422222006 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 211111005.

The product of its (nonzero) digits is 768, while the sum is 20.

The square root of 422222006 is about 20548.0414151812. The cubic root of 422222006 is about 750.2055768309.

The spelling of 422222006 in words is "four hundred twenty-two million, two hundred twenty-two thousand, six".