422865152 has 36 divisors (see below), whose sum is σ = 846675900. Its totient is φ = 210782208.

The previous prime is 422865133. The next prime is 422865181. The reversal of 422865152 is 251568224.

It can be written as a sum of positive squares in 2 ways, for example, as 188897536 + 233967616 = 13744^2 + 15296^2 .

It is a hoax number, since the sum of its digits (35) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 86978 + ... + 91710.

It is an arithmetic number, because the mean of its divisors is an integer number (23518775).

Almost surely, 2^422865152 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 422865152, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (423337950).

422865152 is an abundant number, since it is smaller than the sum of its proper divisors (423810748).

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

422865152 is an equidigital number, since it uses as much as digits as its factorization.

422865152 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5098 (or 5084 counting only the distinct ones).

The product of its digits is 38400, while the sum is 35.

The square root of 422865152 is about 20563.6852728299. The cubic root of 422865152 is about 750.5862982937.

The spelling of 422865152 in words is "four hundred twenty-two million, eight hundred sixty-five thousand, one hundred fifty-two".