422762648 has 64 divisors (see below), whose sum is σ = 990731520. Its totient is φ = 164304000.

The previous prime is 422762539. The next prime is 422762651. The reversal of 422762648 is 846267224.

It is a congruent 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 15 ways as a sum of consecutive naturals, for example, 401723 + ... + 402773.

It is an arithmetic number, because the mean of its divisors is an integer number (15480180).

Almost surely, 2^422762648 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 422762648, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (495365760).

422762648 is an abundant number, since it is smaller than the sum of its proper divisors (567968872).

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

422762648 is a wasteful number, since it uses less digits than its factorization.

422762648 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1728 (or 1724 counting only the distinct ones).

The product of its digits is 258048, while the sum is 41.

The square root of 422762648 is about 20561.1927669579. The cubic root of 422762648 is about 750.5256451398.

The spelling of 422762648 in words is "four hundred twenty-two million, seven hundred sixty-two thousand, six hundred forty-eight".