1422855803220 has 192 divisors, whose sum is σ = 4048120903680. Its totient is φ = 373374400000.

The previous prime is 1422855803197. The next prime is 1422855803227. The reversal of 1422855803220 is 223085582241.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1422855803227) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1130146951 + ... + 1130148209.

It is an arithmetic number, because the mean of its divisors is an integer number (21083963040).

Almost surely, 2^{1422855803220} is an apocalyptic number.

1422855803220 is a gapful number since it is divisible by the number (10) 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 1422855803220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2024060451840).

1422855803220 is an abundant number, since it is smaller than the sum of its proper divisors (2625265100460).

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

1422855803220 is a wasteful number, since it uses less digits than its factorization.

1422855803220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2366 (or 2364 counting only the distinct ones).

The product of its (nonzero) digits is 307200, while the sum is 42.

The spelling of 1422855803220 in words is "one trillion, four hundred twenty-two billion, eight hundred fifty-five million, eight hundred three thousand, two hundred twenty".