422254650 has 48 divisors (see below), whose sum is σ = 1050138144. Its totient is φ = 112284480.

The previous prime is 422254649. The next prime is 422254661. The reversal of 422254650 is 56452224.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (30).

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 23 ways as a sum of consecutive naturals, for example, 52177 + ... + 59723.

It is an arithmetic number, because the mean of its divisors is an integer number (21877878).

Almost surely, 2^422254650 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 422254650, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (525069072).

422254650 is an abundant number, since it is smaller than the sum of its proper divisors (627883494).

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

422254650 is a wasteful number, since it uses less digits than its factorization.

422254650 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7935 (or 7930 counting only the distinct ones).

The product of its (nonzero) digits is 19200, while the sum is 30.

The square root of 422254650 is about 20548.8357334424. The cubic root of 422254650 is about 750.2249103248.

The spelling of 422254650 in words is "four hundred twenty-two million, two hundred fifty-four thousand, six hundred fifty".