422742210 has 128 divisors (see below), whose sum is σ = 1174487040. Its totient is φ = 96307200.

The previous prime is 422742209. The next prime is 422742217. The reversal of 422742210 is 12247224.

It is a super-2 number, since 2×422742210² = 357421952231368200, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (422742217) by changing a digit.

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 63 ways as a sum of consecutive naturals, for example, 1197394 + ... + 1197746.

It is an arithmetic number, because the mean of its divisors is an integer number (9175680).

Almost surely, 2^422742210 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 422742210, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (587243520).

422742210 is an abundant number, since it is smaller than the sum of its proper divisors (751744830).

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

422742210 is a wasteful number, since it uses less digits than its factorization.

422742210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 584.

The product of its (nonzero) digits is 1792, while the sum is 24.

The square root of 422742210 is about 20560.6957567102. The cubic root of 422742210 is about 750.5135504965.

Adding to 422742210 its reverse (12247224), we get a palindrome (434989434).

The spelling of 422742210 in words is "four hundred twenty-two million, seven hundred forty-two thousand, two hundred ten".