422819081647880 has 32 divisors (see below), whose sum is σ = 977054904892440. Its totient is φ = 164556615559680.

The previous prime is 422819081647861. The next prime is 422819081647993. The reversal of 422819081647880 is 88746180918224.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 420460848440164 + 2358233207716 = 20505142^2 + 1535654^2 .

It is a super-2 number, since 2×422819081647880² (a number of 30 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 422819081647880.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 142844282861 + ... + 142844285820.

Almost surely, 2^{422819081647880} is an apocalyptic number.

422819081647880 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

422819081647880 is an abundant number, since it is smaller than the sum of its proper divisors (554235823244560).

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

422819081647880 is a wasteful number, since it uses less digits than its factorization.

422819081647880 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 285688568729 (or 285688568725 counting only the distinct ones).

The product of its (nonzero) digits is 99090432, while the sum is 68.

The spelling of 422819081647880 in words is "four hundred twenty-two trillion, eight hundred nineteen billion, eighty-one million, six hundred forty-seven thousand, eight hundred eighty".