422516250 has 240 divisors, whose sum is σ = 1289512224. Its totient is φ = 103032000.

The previous prime is 422516219. The next prime is 422516261. The reversal of 422516250 is 52615224.

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

It is an unprimeable number.

It is a polite number, since it can be written in 119 ways as a sum of consecutive naturals, for example, 3948697 + ... + 3948803.

Almost surely, 2^422516250 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 422516250, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (644756112).

422516250 is an abundant number, since it is smaller than the sum of its proper divisors (866995974).

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

422516250 is a wasteful number, since it uses less digits than its factorization.

422516250 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 157 (or 130 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 27.

The square root of 422516250 is about 20555.2000720012. The cubic root of 422516250 is about 750.3798076291.

The spelling of 422516250 in words is "four hundred twenty-two million, five hundred sixteen thousand, two hundred fifty".