422766336 has 72 divisors (see below), whose sum is σ = 1191398544. Its totient is φ = 132628480.

The previous prime is 422766301. The next prime is 422766349. The reversal of 422766336 is 633667224.

It is a junction number, because it is equal to n+sod(n) for n = 422766294 and 422766303.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3135 + ... + 29246.

It is an arithmetic number, because the mean of its divisors is an integer number (16547202).

Almost surely, 2^422766336 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 422766336, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (595699272).

422766336 is an abundant number, since it is smaller than the sum of its proper divisors (768632208).

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

422766336 is a wasteful number, since it uses less digits than its factorization.

422766336 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32417 (or 32403 counting only the distinct ones).

The product of its digits is 217728, while the sum is 39.

The square root of 422766336 is about 20561.2824502753. The cubic root of 422766336 is about 750.5278275547.

The spelling of 422766336 in words is "four hundred twenty-two million, seven hundred sixty-six thousand, three hundred thirty-six".