422056602 has 64 divisors (see below), whose sum is σ = 1025971200. Its totient is φ = 127545840.

The previous prime is 422056597. The next prime is 422056639. The reversal of 422056602 is 206650224.

422056602 is a `hidden beast` number, since 4 + 2 + 2 + 0 + 56 + 602 = 666.

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 288549 + ... + 290007.

It is an arithmetic number, because the mean of its divisors is an integer number (16030800).

Almost surely, 2^422056602 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 422056602, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (512985600).

422056602 is an abundant number, since it is smaller than the sum of its proper divisors (603914598).

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

422056602 is a wasteful number, since it uses less digits than its factorization.

422056602 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1968 (or 1962 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 27.

The square root of 422056602 is about 20544.0162091058. The cubic root of 422056602 is about 750.1076005621.

The spelling of 422056602 in words is "four hundred twenty-two million, fifty-six thousand, six hundred two".