422846240 has 24 divisors (see below), whose sum is σ = 998974620. Its totient is φ = 169138432.

The previous prime is 422846233. The next prime is 422846269. The reversal of 422846240 is 42648224.

It can be written as a sum of positive squares in 2 ways, for example, as 419266576 + 3579664 = 20476^2 + 1892^2 .

It is a Harshad number since it is a multiple of its sum of digits (32).

It is a junction number, because it is equal to n+sod(n) for n = 422846197 and 422846206.

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, 1321235 + ... + 1321554.

Almost surely, 2^422846240 is an apocalyptic number.

422846240 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

422846240 is an abundant number, since it is smaller than the sum of its proper divisors (576128380).

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

422846240 is a wasteful number, since it uses less digits than its factorization.

422846240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2642804 (or 2642796 counting only the distinct ones).

The product of its (nonzero) digits is 24576, while the sum is 32.

The square root of 422846240 is about 20563.2254279332. The cubic root of 422846240 is about 750.5751085172.

The spelling of 422846240 in words is "four hundred twenty-two million, eight hundred forty-six thousand, two hundred forty".