422166650880 has 672 divisors, whose sum is σ = 1515354104160. Its totient is φ = 100191436800.

The previous prime is 422166650879. The next prime is 422166650881. The reversal of 422166650880 is 88056661224.

It is an interprime number because it is at equal distance from previous prime (422166650879) and next prime (422166650881).

It is a super-2 number, since 2×422166650880² (a number of 24 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (422166650881) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 602234530 + ... + 602235230.

Almost surely, 2^422166650880 is an apocalyptic number.

422166650880 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 422166650880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (757677052080).

422166650880 is an abundant number, since it is smaller than the sum of its proper divisors (1093187453280).

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

422166650880 is a wasteful number, since it uses less digits than its factorization.

422166650880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 790 (or 753 counting only the distinct ones).

The product of its (nonzero) digits is 1105920, while the sum is 48.

The spelling of 422166650880 in words is "four hundred twenty-two billion, one hundred sixty-six million, six hundred fifty thousand, eight hundred eighty".