422637360 has 80 divisors (see below), whose sum is σ = 1326819840. Its totient is φ = 111271680.

The previous prime is 422637337. The next prime is 422637361. The reversal of 422637360 is 63736224.

It is a tau number, because it is divible by the number of its divisors (80).

It is not an unprimeable number, because it can be changed into a prime (422637361) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7815 + ... + 30105.

It is an arithmetic number, because the mean of its divisors is an integer number (16585248).

Almost surely, 2^422637360 is an apocalyptic number.

422637360 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 422637360, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (663409920).

422637360 is an abundant number, since it is smaller than the sum of its proper divisors (904182480).

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

422637360 is a wasteful number, since it uses less digits than its factorization.

422637360 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22386 (or 22380 counting only the distinct ones).

The product of its (nonzero) digits is 36288, while the sum is 33.

The square root of 422637360 is about 20558.1458307893. The cubic root of 422637360 is about 750.4514970349.

The spelling of 422637360 in words is "four hundred twenty-two million, six hundred thirty-seven thousand, three hundred sixty".