422994960 has 140 divisors (see below), whose sum is σ = 1474723692. Its totient is φ = 112783104.

The previous prime is 422994953. The next prime is 422994977. The reversal of 422994960 is 69499224.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 231891984 + 191102976 = 15228^2 + 13824^2 .

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 27 ways as a sum of consecutive naturals, for example, 54694 + ... + 61946.

Almost surely, 2^422994960 is an apocalyptic number.

422994960 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 422994960, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (737361846).

422994960 is an abundant number, since it is smaller than the sum of its proper divisors (1051728732).

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

422994960 is an equidigital number, since it uses as much as digits as its factorization.

422994960 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7284 (or 7263 counting only the distinct ones).

The product of its (nonzero) digits is 279936, while the sum is 45.

The square root of 422994960 is about 20566.8412742453. The cubic root of 422994960 is about 750.6630935698.

The spelling of 422994960 in words is "four hundred twenty-two million, nine hundred ninety-four thousand, nine hundred sixty".