422022347838 has 192 divisors, whose sum is σ = 1140203256192. Its totient is φ = 109844398080.

The previous prime is 422022347833. The next prime is 422022347849. The reversal of 422022347838 is 838743220224.

422022347838 is a `hidden beast` number, since 4 + 220 + 2 + 2 + 347 + 83 + 8 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 422022347793 and 422022347802.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (422022347833) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 59260918 + ... + 59268038.

It is an arithmetic number, because the mean of its divisors is an integer number (5938558626).

Almost surely, 2^422022347838 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 422022347838, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (570101628096).

422022347838 is an abundant number, since it is smaller than the sum of its proper divisors (718180908354).

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

422022347838 is a wasteful number, since it uses less digits than its factorization.

422022347838 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7619 (or 7616 counting only the distinct ones).

The product of its (nonzero) digits is 1032192, while the sum is 45.

The spelling of 422022347838 in words is "four hundred twenty-two billion, twenty-two million, three hundred forty-seven thousand, eight hundred thirty-eight".