22220710852220 has 96 divisors (see below), whose sum is σ = 48863788904448. Its totient is φ = 8471921432832.

The previous prime is 22220710852189. The next prime is 22220710852229. The reversal of 22220710852220 is 2225801702222.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22220710852229) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 420955949 + ... + 421008731.

It is an arithmetic number, because the mean of its divisors is an integer number (508997801088).

Almost surely, 2^{22220710852220} is an apocalyptic number.

22220710852220 is a gapful number since it is divisible by the number (20) 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 22220710852220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (24431894452224).

22220710852220 is an abundant number, since it is smaller than the sum of its proper divisors (26643078052228).

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

22220710852220 is a wasteful number, since it uses less digits than its factorization.

22220710852220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56019 (or 56017 counting only the distinct ones).

The product of its (nonzero) digits is 35840, while the sum is 35.

The spelling of 22220710852220 in words is "twenty-two trillion, two hundred twenty billion, seven hundred ten million, eight hundred fifty-two thousand, two hundred twenty".