4220854797852 has 240 divisors, whose sum is σ = 13990032080640. Its totient is φ = 1077743750400.

The previous prime is 4220854797833. The next prime is 4220854797881. The reversal of 4220854797852 is 2587974580224.

4220854797852 is a `hidden beast` number, since 4 + 2 + 2 + 0 + 8 + 547 + 9 + 7 + 85 + 2 = 666.

It is a hoax number, since the sum of its digits (63) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is a self number, because there is not a number n which added to its sum of digits gives 4220854797852.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 38152 + ... + 2905712.

It is an arithmetic number, because the mean of its divisors is an integer number (58291800336).

Almost surely, 2^{4220854797852} is an apocalyptic number.

4220854797852 is a gapful number since it is divisible by the number (42) 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 4220854797852, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6995016040320).

4220854797852 is an abundant number, since it is smaller than the sum of its proper divisors (9769177282788).

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

4220854797852 is a wasteful number, since it uses less digits than its factorization.

4220854797852 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2867654 (or 2867643 counting only the distinct ones).

The product of its (nonzero) digits is 90316800, while the sum is 63.

The spelling of 4220854797852 in words is "four trillion, two hundred twenty billion, eight hundred fifty-four million, seven hundred ninety-seven thousand, eight hundred fifty-two".