422064216 has 64 divisors (see below), whose sum is σ = 1339891200. Its totient is φ = 120589344.

The previous prime is 422064211. The next prime is 422064239. The reversal of 422064216 is 612460224.

422064216 is a `hidden beast` number, since 4 + 2 + 2 + 0 + 642 + 16 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a self number, because there is not a number n which added to its sum of digits gives 422064216.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (422064211) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 138060 + ... + 141083.

It is an arithmetic number, because the mean of its divisors is an integer number (20935800).

Almost surely, 2^422064216 is an apocalyptic number.

It is an amenable number.

422064216 is an abundant number, since it is smaller than the sum of its proper divisors (917826984).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

422064216 is a wasteful number, since it uses less digits than its factorization.

422064216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 279165 (or 279155 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 27.

The square root of 422064216 is about 20544.2015177032. The cubic root of 422064216 is about 750.1121112406.

The spelling of 422064216 in words is "four hundred twenty-two million, sixty-four thousand, two hundred sixteen".