422233650 has 72 divisors (see below), whose sum is σ = 1136962944. Its totient is φ = 112341600.

The previous prime is 422233639. The next prime is 422233681. The reversal of 422233650 is 56332224.

422233650 is a `hidden beast` number, since 4 + 2 + 2 + 2 + 3 + 3 + 650 = 666.

It is a Curzon number.

It is an unprimeable number.

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 35 ways as a sum of consecutive naturals, for example, 283207 + ... + 284693.

It is an arithmetic number, because the mean of its divisors is an integer number (15791152).

Almost surely, 2^422233650 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 422233650, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (568481472).

422233650 is an abundant number, since it is smaller than the sum of its proper divisors (714729294).

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

422233650 is a wasteful number, since it uses less digits than its factorization.

422233650 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2136 (or 2128 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 27.

The square root of 422233650 is about 20548.3247492344. The cubic root of 422233650 is about 750.2124731345.

Adding to 422233650 its reverse (56332224), we get a palindrome (478565874).

The spelling of 422233650 in words is "four hundred twenty-two million, two hundred thirty-three thousand, six hundred fifty".