422056505550 has 96 divisors (see below), whose sum is σ = 1115447749632. Its totient is φ = 105364420480.

The previous prime is 422056505509. The next prime is 422056505557. The reversal of 422056505550 is 55505650224.

It is a junction number, because it is equal to n+sod(n) for n = 422056505499 and 422056505508.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (422056505557) 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, 1139289 + ... + 1463588.

It is an arithmetic number, because the mean of its divisors is an integer number (11619247392).

Almost surely, 2^422056505550 is an apocalyptic number.

422056505550 is an abundant number, since it is smaller than the sum of its proper divisors (693391244082).

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

422056505550 is a wasteful number, since it uses less digits than its factorization.

422056505550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2602962 (or 2602957 counting only the distinct ones).

The product of its (nonzero) digits is 300000, while the sum is 39.

The spelling of 422056505550 in words is "four hundred twenty-two billion, fifty-six million, five hundred five thousand, five hundred fifty".