422115166320 has 160 divisors (see below), whose sum is σ = 1313006587200. Its totient is φ = 112181944320.

The previous prime is 422115166303. The next prime is 422115166327. The reversal of 422115166320 is 23661511224.

It is a super-2 number, since 2×422115166320² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (422115166327) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 116059542 + ... + 116063178.

It is an arithmetic number, because the mean of its divisors is an integer number (8206291170).

Almost surely, 2^422115166320 is an apocalyptic number.

422115166320 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 422115166320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (656503293600).

422115166320 is an abundant number, since it is smaller than the sum of its proper divisors (890891420880).

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

422115166320 is a wasteful number, since it uses less digits than its factorization.

422115166320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5163 (or 5157 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 33.

Adding to 422115166320 its reverse (23661511224), we get a palindrome (445776677544).

The spelling of 422115166320 in words is "four hundred twenty-two billion, one hundred fifteen million, one hundred sixty-six thousand, three hundred twenty".