422138066 has 16 divisors (see below), whose sum is σ = 724035456. Its totient is φ = 180823776.

The previous prime is 422138051. The next prime is 422138081. The reversal of 422138066 is 660831224.

It is an interprime number because it is at equal distance from previous prime (422138051) and next prime (422138081).

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, 25595 + ... + 38721.

It is an arithmetic number, because the mean of its divisors is an integer number (45252216).

Almost surely, 2^422138066 is an apocalyptic number.

422138066 is a deficient number, since it is larger than the sum of its proper divisors (301897390).

422138066 is a wasteful number, since it uses less digits than its factorization.

422138066 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15433.

The product of its (nonzero) digits is 13824, while the sum is 32.

The square root of 422138066 is about 20545.9987832181. The cubic root of 422138066 is about 750.1558585715.

The spelling of 422138066 in words is "four hundred twenty-two million, one hundred thirty-eight thousand, sixty-six".