426222216 has 64 divisors (see below), whose sum is σ = 1353091200. Its totient is φ = 121777344.

The previous prime is 426222197. The next prime is 426222217. The reversal of 426222216 is 612222624.

It is a happy number.

426222216 is a `hidden beast` number, since 4 + 2 + 622 + 22 + 16 = 666.

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

It is a nude number because it is divisible by every one of its digits.

It is a self number, because there is not a number n which added to its sum of digits gives 426222216.

It is not an unprimeable number, because it can be changed into a prime (426222217) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 139435 + ... + 142458.

It is an arithmetic number, because the mean of its divisors is an integer number (21142050).

Almost surely, 2^426222216 is an apocalyptic number.

It is an amenable number.

426222216 is an abundant number, since it is smaller than the sum of its proper divisors (926868984).

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

426222216 is a wasteful number, since it uses less digits than its factorization.

426222216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 281915 (or 281905 counting only the distinct ones).

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

The square root of 426222216 is about 20645.1499389082. The cubic root of 426222216 is about 752.5673297297.

The spelling of 426222216 in words is "four hundred twenty-six million, two hundred twenty-two thousand, two hundred sixteen".