838580522220 has 192 divisors, whose sum is σ = 2982103004160. Its totient is φ = 191644475904.

The previous prime is 838580522093. The next prime is 838580522287. The reversal of 838580522220 is 22225085838.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 29874432 + ... + 29902488.

It is an arithmetic number, because the mean of its divisors is an integer number (15531786480).

Almost surely, 2^838580522220 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 838580522220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1491051502080).

838580522220 is an abundant number, since it is smaller than the sum of its proper divisors (2143522481940).

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

838580522220 is a wasteful number, since it uses less digits than its factorization.

838580522220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35989 (or 35981 counting only the distinct ones).

The product of its (nonzero) digits is 614400, while the sum is 45.

The spelling of 838580522220 in words is "eight hundred thirty-eight billion, five hundred eighty million, five hundred twenty-two thousand, two hundred twenty".